INCORPOEATED BY ROYAL CHARTER, 1838. THE % % W M% POLYTECHNIC INSTITUTION, FOU THE ADVAN-CEMENT OF THE AETS AND PRACTICAL SCIENCE; ESPECIALLY IN CONNEXION WITII AND OTHER 309 REGENT STREET and 5 CAVENDISH SQUARE, Catalogue for 1843, NEW EDITION. PRINTED BY CHMILES EEYIN^ELL, AT THE EOYAT. POLYTECHNIC INSTITUTION, AND No. 16 LITTLE PULTENEY STREET, REGENT STREET. PRICE ONE SHILLING. DIRECTORS. SIR GEORGE CAYLEY, Bart., Chairman. CHARLES IIEATON ELLIS, Esq. WILLIAM M. NURSE, Esq. RENN HAMPDEN, Esq., M.P. R. W. SIEVIER, Esq., F.R.S. CAPTAIN JONES. BENJ. SMITH, Esq., M.R LIEUT.-COL. MOODY, R.E. DR SPURGIN. HON. DZXllICTOR. CAPTAIN L. L. BOSCAWEN IBBETSON, K.R.E., F.G.S. BANKSHS. UNION BANK OF LONDON, Argyle place, Regent street. SBGRETAZIY. R. I. LONGBOTTOM, Esq., 309 Regent street. ADMISSION TO THE MORNING OR EVENING EXHIBITION, One .^Itllliii^ Eacla. ANNUAL SUBSCRIPTION, ONE GUINEA. Annual Subscribers of Two Guineas have the privilege of per- sonally introducing a Friend, or Two Children under twelve years of age. Family Ticket, to admit Subscriber's Family and One Friend, Three Guineas. Annual Subscription to the Association in Cavendish square (to include Admission to the Institution), Three Guineas each, and Three Guineas Entrance. A Modified Scale for Schools. ASSOCIATION, No. 5 CAVENDISH SQUARE, IN CONNEXION WITH THE ROYAL POLYTECHNIC INSTITUTION. Noblemen and Gentlemen, particularly those residing in the neighbourhood of Cavendish square, are informed that an ASSOCIATION, connected with the ROYAL POLY- TECHNIC INSTITUTION, is established, to which has recently been added the St George's Chess Club ; and that Apartments in the House in Cavendish square are appro- priated for the use of the Members. The ASSOCIATION is to consist of not more than Three Hundred Members, having a Library and Reading Room, furnished with all the Newspapers and interesting Periodicals. A Prospectus may be obtained of the Secretary, Mr R. 1. Longbottom, who will afford every information. HOURS OF THE DIFFERENT EXHIBITIONS. MORNING, Opens at Eleven o'clock; Closes at Half-past Five. TwFTA'E O'CLOCK ... ORRERY, OR A POPULAR LECTURE. One THE ENLARGED DISSOLVING VIEWS. Two CHEMICAL LECTURE. Three EXPERIMENTS WITH THE COLOSSAL ELEC- TRICAL MACHINE, SHOWING THE LUMINOUS APPEARANCE OF THE AURORA BOREALIS, &c., OR A POPULAR LECTURE. Four COINING. Quarter-past Four DIVER AND DIVING BELL, WITH EXPERIMENTS IN THE WATER. Quarter TO Five ... DISSOLVING VIEWS. MUSIC from THREE to FIVE o'CJock, DAILY. EVENING (except Saturdays), Opens at Seven d Clock ; Closes at Half-past Ten, Half-past Seven... DIVER, WITH EXPERIMENTS. Eight EXPERIMENTS WITH THE COLOSSAL ELEC- TRICAL MACHINE, SHOWING THE LUMINOUS APPEARANCE OF THE AURORA BOREALIS, &c., OR A POPULAR LECTURE. Nine COINING. QuARXER-rAST NiNE DIVING BELL. Quarter TO Ten ... THE ENLARGED DISSOLVING VIEWS. To the Cosi\ioRAMic Views, which are exhibited in the Evenings, several beautil'ul Pictures have lately been added. N.B. The BAND will play during the EVENING. These arrangements vary occasionally. LIST OF THE ROOMS 1. Entrance Lobby. 2. Manager's Room. 3. Waiting Room. 4. (Private) Chemist's Consulting Room. 5. Laboratory and Pupils' Class Room. (). Engineor's Workship. 7. Engine Boilers and Gasometer Room, 8. Hall of Manufactures. 9. Theatre and Microscope Room. 10. (Private) Apparatus and Chemist's Consultation Room. IL (Ditto) Chemist's Assistant's Room. 12. (Ditto) Students' Room— A. 13. (Ditto) Students' Room— B. 34. (Ditto) Eastern Skylight Room. 15. (Ditto) Students' Room— C. 16. Ea=t Balcony Room. 17. Gallery of Great Hall. 18. Great Hall. 19. West Balcony Room. 20. Upper West Room. 21. Refreshment Room, IN THE INSTITUTION. 22. South- West Skylight Room. 23. North-West Skylight Room. 24. Lecture Room of Experimental Philo- sophy. 25. South-West Basement Room. 26. North-West Basement Room. 27. West Room. 28. Extreme West Room, looking into Cavendish square. 29. Room for taking Portraits by Mr Fox Talbot's Calotype process. 30. (Private) Room of the London Elec- trical Society. 31. Ladies' Waiting Room for Photo- graphic Portraits, on the Attic floor. 32. Gentlemen's Waiting Room for ditto. 33. Room for taking the Photographic Portraits. 34. ( Private) East Reading Room of the Polytechnic Association, 35. (Ditto) West Reading Room. The success which attended the Establishment of the Poly- technic Institution in 1838 has rapidly increased within the last twelve months. This marked and gratifying pa- tronage is not less flattering to the Directors than it is indicative of considerable public advancement in those branches of Education which are explained and assisted by ocular demonstration. The object of the Managers has been to invigorate, by the most simple and interesting method of illustration, those sound and important principles upon which Science is based, and to afford to the inquirer the means of obtaining a general knowledge of the processes by which the wonders of art and manufacture are produced ; and in the pursuit of this object they hope it will be con- sidered that little has been left undone which time and circumstances placed within their control, and that the accomplishment of the past will be accepted as a guarantee for future progress and improvement. The education of the eye is, undeniably, the most im- portant object in elementary instruction. A child will pass many years before he can be made thoroughly to under- stand, by unassisted description, the cause of motion in a Steam Engine, but a brief acquaintance with the sectional and w^orking models of the Institution will teach him a lesson he can never forget. In like manner, the powers of Galvanism, the properties of Electricity, the mysteries of Chemistry, the laws of Mechanics, the theory of Light, the developments of the Microscope, the wonders of Optics, the beauty of Sculpture, the construction of Ships, with various other matters in Science and Art, are made palpable by exhibition ; and thus instruction is rapidly and pleasurably communicated in awakening curiosity, excitement, and attention, and by such means leaving behind a valuable and durable impression. But in offering facilities for obtaining that knowledge which Lord Bacon has justly denominated "power," the 6 Directors of the Polytechnic Institution have not been unmindful of the inducement which a path of flowers opens to its acquisition. They have, therefore, surrounded the visitor with much to (Relight as well as to instruct. Every quarter of the globe contributes its interesting share ; for there is scarcely a territory, into which the spirit of adven- ture has carried travellers, that has not its memento depo- sited in the Institution, by the aid of which Natural History may be illustrated. Science unfolds her stupendous dis- coveries in the way most acceptable to the multitude, namely, by popular demonstration,— the nature and extent of her important truths being fixed upon the understanding by the ready agency of the eye. The attractions of Art are made manifest in various forms of beauty and workmanship ; and the details of Manufacture, with the manipulations of all descriptions of handicraft labour, are exemplified by the exhibition of numerous interesting models and specimens. While the combined amusement and instruction of all classes has been the grand object unceasingly pursued by the managers of the Institution, they have not forgotten that particular circumstances require corresponding arrange- ments. They here allude to those branches of scientific inquiry, in which pupils are to be instructed, with the view of becoming professors hereafter; and they particularly call attention to the departments of Chemistry and Experi- mental Philosophy, over the first of which Dr Ryan, the Chemist to the Institution, presides ; the experiments and lectures in the second being conducted by Professor Bach- HOFFNER. The laboratoiy and lecture rooms, under the management of these gentlemen, are very complete. Another important feature is the establishment of a School for the proper instruction of Engine Drivers on Railways, and others ; and the Directors are happy to be able to add, that they are extensively supported by railroad authorities in this important undertaking, some of which have kindly permitted the pupils to accompany their engi- neers when driving on the road. 7 A Class, also, for the Instruction of Officers in her Majesty's Navy, and others interested in Marine Engines and Marine Navigation, is opened. — {See pages 12 to 15.) It would be superfluous to point out the numerous and important advantages which have been conferred upon Inventors, Patentees, and Manufacturers, by the facilities which the Royal Polytechnic Institution possesses for bringing prominently before the public the results of their genius or labour. And the Directors desire to add, that mechanics and others will invariably find the utmost atten- tion paid to their interests by the proper announcement and display of models, &c., deposited in the Institution. DESCRIPTION OF THE ROYAL POLYTECHNIC INSTITUTION. The Building, having its public entrance at 309, Regent street, near Langham place, extends three hundred and twenty feet in depth, and includes the Mansion, No. 5, Cavendish square. The first apartment which the visitor enters is a HALL, forty-five feet long by forty wide, devoted to Manufactures and Machinery. The principal Staircase of communication leads to a spa- cious apartment, which contains a beautiful Series of Models of Ships, &c. &c. This Room is terminated by a Balcony, commanding a view of the interior of the Great Hall and Galleries of the Institution. This and the opposite Balcony contain two METALLIC REFLECTORS, by means of which a whisper may be distinctly heard across. Over the Hall of Manufactures is a THEATRE, or LECTURE ROOM, capable of containing five hundred persons, in which LECTURES on the STEAM ENGINE, CHEMISTRY, NATURAL PHILOSOPHY, AEROSTA- TION, the CHEMICAL ARTS, DAGUERREOTYPE, and CALOTYPE, are delivered and illustrated on a most extensive scale. An OXY-HYDROGEN MICROSCOPE, by Cary, being by far the largest ever constructed, is here exhibited on a screen containing four hundred and twenty- five square feet, as also is the DISSOLVING ORRERY, by Cary, with forty-four beautiful Illustrations, and the DIS- SOLVING VIEWS. Here also is to be seen the Colossal Electrical Machine, Dr Lardner's beautiful Working Model of a Bolton and W^att's Steam Engine, and the Sectional Model of the same on a much larger scale ; to whicli are added models of Locomotive and Marine Engines. DESCRIPTION. 9 Beneath the Hall is the very extensive and complete LABORATORY, under the superintendence of Dr Ryan, the Chemist to the Institution, who presides over a Che- mical Class, unconnected with the Public Department of the Institution ; there are also Private Rooms for the use of Noblemen and Gentlemen. Analyses of MINERALS, EARTHS, DYES, or other substances, can be obtained at the Laboratory. For terms and further particulars, appli- cation should be made to Mr Longbottom, the Secretary, at the entrance in Regent street. The GREAT HALL, one hundred and twenty feet long, forty feet wide, and forty feet high, is entered from the prin- cipal staircase. In the centre are two Canals, containing a surface of seven hundred feet of water, attached to which are all the appurtenances of a DOCKYARD, constructed by the Government Engineers, by favour of the Lords of the Admi- ralty, with an extensive series of Locks and Water W heels in motion ; affording the means of illustrating Lectures on Naval Architecture and Hydrostatics. At the junction of the two Canals is a large circular Reservoir, into which a Diving Bell, capable of containing four or five Persons, is lowered to a considerable depth under the water, air being supplied by two powerful Air Pumps, so that Visitors may descend with convenience. A Diver (clothed in a Patent Water and Air-tight Diving Dress) exhibits the art of carrying on various operations under water ; and the Method of Blowing-up Sunken Vessels by Voltaic Electricity is exhibited daily by Mr Blanch ard. A Model of a Ship, containing a small charge of gunpowder, is sunk some depth under water, to which the Diver attaches wires communicating at a considerable distance with a Voltaic Battery, which, when connected, instantly explodes the powder, and the vessel is shattered to pieces, thus illus- trating Major-General Pasley's method of destroying the Wreck of the Royal George. An illustration of the Pa- tented Plan for Preventing Ships from Sinking, and for raising them when sunk without injury, is also given. Lectures on the Electrotype, or Method of Producing Duplicates of Medals and Engravings by Electricity ; also on the Method of Protecting Ships from Lightning ; on the 10 DESCRIPTION. Electro-Magnetic Telegraph ; on the Patent Electric Clocks of Barwise and Bain ; and many other subjects in Experimental Philosophy, are given daily, in the new Lecture Room and in the Hall. Beyond the Lecture Room is an apartment (No. 28) con- taining Captain Boscawen Ibbetson's remarkable Model of the Undercliff of the Isle of Wight. This extraordinary work of art and labour is trigonometrically correct, every portion of it having been modelled strictly according to scale. Viewed through the magnifying glasses, it exhibits not only the general appearance, but every minute part of the UnderclitF, presenting to the eye a vivid and perfect representation of one of the loveliest scenes in the world. The following is a brief geological account of this interesting place : — " The remarkable tract of coast called the * Undercliff' extends from the south point of the Isle of Wight nine miles to the eastward. Its surface is dis- torted in form, somewhat resembling in miniature the volcanic features of Southern Italy ; for although the latter has been formed by the action of fire and the former by that of water, both have been moulded when in a state of partial fluidity. The soil is of a boggy nature, is intersected with numerous springs, and in it are embedded in the utmost confusion detached masses of the weather-worn cliff-rock, forming in places natural terraces on the face of the cliff, and inclining inwards at different angles towards the land. From the sea-beach of iron-sand, strewed with shingle and boulders, rises a cliff of fifty feet, and from it a rugged and irregular ascent of three hundred and twenty feet in height, half a mile in extent, composed of vegetable soil, chalk, green sandstone, in masses and frag- ments, and of blue marl, the whole mingled indiscriminately and irrigated by numerous springs. Thus much constitutes the ' Undercliff.' Above it appears the perpendicular, serrated profile of the Upper Cliff, two hun- dred and sixty feet in height, from which the surface of the Down pro- ceeds with a slight descent for a quarter of a mile, and then gradually rises in the extent of half a mile to a vertical height of two hundred feet, being the highest land in the island — eight hundred and thirty feet above the level of the sea. The strata of the upper green sand, the lower green sand having a dip of about thirty degrees, are nearly hori- zontal. They are the upper part of the secondary or supermedial order, and consist of chalk, chalk marl, green sandstone, gault, and lower green sand." In the same room, and opposite to the Model, are speci- mens of all the Geological Strata, &c., produced in the Island. In a room (No. 26) are exhibited Three Paintings on Glass, two copied from Martin's celebrated Pictures — ' Joshua com- manding the Sun to stand still,' and ' The Destruction of / DESCRIPTION. 11 Nineveh,' — the other from Danby's ' Opening of the Sixth Seal also a series of beautiful Daguerreotype and other Pictures illuminated, and exhibited under a magnifying power, showing views in Greece, Italy, France, England, and other parts of Europe. Visitors will find beautiful Cosmoramic effects produced by looking at these Paintings through the Magnifying Glasses. In other parts of the Institution the following interesting objects will also be met with : — A Picture of Canton, by a Chinese Artist, twenty-five feet long, exquisitely finished, viewed through magnifying glasses. Osier's Anemometer. An Orrery on a scale of one-eighth of an inch to one thou- sand miles, an exclusive instance of the relative proportions of the Sun, Earth, and Planets. Taylor's Electro -Magnetic Engine at work. On the Canals are working Models of the Archimedes Steam Boat, Captain George Smith's, Captain Carpenter's, and Mr Fyfe's Patent Propellers, and a variety of Models of Shipping. The Centrifugal Railroad Model in action. A New Double Cylinder Expansive Steam Engine (bj^ Humphrys), working with less than one-third of the fuel consumed by ordinary engines ; with numerous other works, descriptions of which will be found numbered in the Catalogue. Beard's Patent Photographic Portraits, which are taken daily. Calotype Portraits, by Mr Fox Talbot's process, taken daily by Mr Collen. Monsieur Moinau's extraordinary Clock Machinery. The Dissolving Orrery, with forty-four beautiful Illustra- tions, and the Dissolving Views. The whole interior of the building is ventilated, and warmed by Bramah's Hot-w^ater Apparatus. A COURSE OF CHEMICAL LECTURES, IN TWO DIVISIONS, Will be delivered in the Laboratory of the Institution^ DURING THE ENSUING WINTER SESSION, By JOHN RYAN, M.D. LL.D. Member of the Royal College of Surgeons, Edinburgh ; Extraordinary Member of the Medical Society, Paris, and the Hunterian Society, Edinburgh ; Honorary Member of the London Electrical Society; Member of the Society of Arts; &c., and Professor of Chemistry to the Royal Polytechnic Institution. The First Division will terminate at the end of January, the Second early in May, 1843. THESE LECTURES WILL BE DELIVERED Every TUESDAY, THURSDAY, and SATURDAY, at Seven in the Evening, and are intended for Medical Students, Engineers, Manufacturers, Miners, Agriculturists, and others, who wish to study Chemistry, and will embrace a complete view of the present state of Chemical Science. They will be' practically illustrated with extensive apparatus ; and the mode of conducting the analysis of inorganic and organic bodies will form one of the leading features of the Course. The analysis of Minerals will be shown both by the dry and humid process, and the German analytical method of treating organic matter, as taught by Liebig, will be fully and practically explained. Those pupils who are designed for the Medical Profession will have every facility of becoming acquainted with Medical Chemistry ; and a cabinet of the articles employed in Medicine will be provided for their use. Extended practical and analytical Courses will also be given in the spacious Laboratory of the Institution, in which the pupils will have an opportunity of engaging in a series of experiments more particularly adapted to their future pursuits in life ; and as soon as the Course has sufficiently advanced, examina- tions will be given once a week, by Dr Ryan, whose Certificates are recog- nised by the College of Surgeons, Apothecaries' Hall, &c. &c. TERMS: Single Course, Three Guineas. Double Course, Five Guineas. Laboratory Practice for any period, not less than Three Months, at the rate of Fifty Guineas per annum. A reduction to Proprietors of Schools bringing their Pupils. For particulars apply to Mr R. I. Longbottom, Secretary, at the Institution. Assays and Analyses are conducted under the personal direction of the Chemist; the terms being, for Mineral Assays, 15s. each, to parties sending business regularly to the Institution; and 1/. Is. for a single Assay. The Analyses at moderate charges. SCHOOL FOR THE PRACTICAL EDUCATION OF RAILWAY ENGINE DRIVERS, AT THE ROYAL POLYTECHNIC INSTFfUTION, Conducted by JOHN RYAN, M.D. LL.D., &c., Professor of Chemistrij and Nahiral Philosophy. No subject of greater regret presents itself, in connexion with rail- roads, than the undeniable fact that the supply of properly-taught Engine Drivers is altogether inadequate to the demand. The rapid extension of railroads without any corresponding increase in the number of railway servants, especially drivers, properly qualified beforehand for their duties by an appropriate engineering education, is the root of an evil, the magnitude of which is daily increased by the opening of new lines. A knowledge of this circumstance, while it marks the extent and nature of the mischief, clearly points out a remedy. In order to keep pace with the continually increasing demand for Engine Drivers, whose practical acquaintance with every part of their responsible duties shall justify their being employed, and offer sufficient security to the public, it is only necessary to place within their reach the means of acquiring the right sort of knowledge. Fully aware of the deep importance of the subject, the Directors of the Royal Polytechnic Institution announce that they have opened a school, witliin the walls of their establishment, where the nature and practice of the duties of Engine Drivers will be taught by Professors and Masters who possess the necessary practical and theoretical qualifications. Perhaps there is no place in London where such an undertaking could be so successfully carried on as at the Polytechnic Institution, because every department, connected with instruction in Physical and Practical Science, is amply stored with proper instruments, books, and working models, as well for the communication and illustration of elementary as of profound know- ledge ; so that the pupil comes to his lessons with every requisite assistance provided beforehand. The following is a Syllabus of the Course of Study: — 1. General remarks on the physical and chemical properties of matter, introductory to the subject. 2. On heat — temperature— expansion of bodies by heat — principle of the thermometer — pyrometer — practical application of the subject. 3. Specific heat — on conduction, radiation, and reflection of heat — practical appli- cation of the subject. 4. Latent heat — fluidity — vaporization — spontaneous evaporation — vapours and gases. 5. On the composition of the atmosphere, and the properties of its elements in a separate state. 6. On ignition and combustion — on flame. 7. On fuel for engines, and the mode of ascertaining Its heating value — on economising fuel. 8. On the composition of water— on the impurities contained in water, and their effects upon boilers. 9. On weight, hydrostatics, or the properties of fluids at rest, and specific gravity. 10. On atmospheric pressure, and the mechanical properties of air, comprising the subject of pneumatics — the barometer and its uses. 14 11. The influence ofatmosplicric pressure on the boiling points of water anil other liquids. 12. On the lever — on central forces — on inclined planes, &c. 13. On steam boilers — the pressure of the atmosphere a datum upon which the elasticity of steam is calculated — on steam safety valves. 14. Further observations on boilers and boiler apparatus, and qn the several causes by which boilers ai-e liable to be burst. 15. On the principle upon which steam acts as a motive power — on the method of calculating the power of steam, and its effective power when applied to the engine — steam indicator, &c. 16. Atmospheric steam engine — Boulton and Watt's condensing engine. 17. Continuation of the condensing engine, and a particular description of its several parts, 18. Non-condensing or high pressure engines. 19. Expansive and rotary engines, with a description of their several parts. 20. On the locomotive engine, with a description of its several parts. 21. On marine engines, with a description of their several parts. 22. On steam navigation. 23. On hydrodynamics or hydraulics, or the nature of fluids in motion. 24. Preparatory acquirements necessary for a railroad engineer — construction of the engine entrusted to his charge — technicalities— rules and regulations of the com- pany by whom he may be employed — duties of an engineer as regards the engine being in working condition — duties of an engineer previous to starting the engine — care requisite at starting, also in moving through the switches — backing against the train, &c. — duty while standing at the station — starting with a train, &c. — duty on the road — danger on going too quick round curves — duty on coming to an inclined plane — ascending and descending — accidents occurring on the road — bursting of tubes, &c. — nearing a station — turning on the tables- returning to the engine house. In order to impart to the student the whole amount of knowledge comprehended in this syllabus (the possession of which, it is self- evident, will qualify any working man to become a superior engine driver) a series of lectures will be delivered regularly by the Professor of the Institution. This gentleman will be assisted by a working engineer of considerable experience in engine driving, whose long practice on railways pointed him out as a person peculiarly competent to explain and demonstrate, by means of the proper models, the uses and actual working of all the parts of a locomotive engine, in every position in which it may be placed. Thus the property of steaiji and its application to locomotive machines, theoretically taught by one, will become fully understood and made useful by the practical demon- strations of the other. Witli the view of rendering the establishment of this school as extensively useful as possible, the lectures (a plain and practical course) are upon the most useful branches of mechanical art, and comprise a description of the mechanical powers practically illustrated ; also a thorough grounding in the management of working engines, whether in the station, on the road, or in cases of accident. A certificate will be given from the Institution, signed by the Professor and Secretary, to every student at the period of his having qualified himself to undertake the situation of a railroad engine driver, which document will materially assist him in obtaining employment. The fee for the vvdiole course of instruction (which is given in the evening) is £2 2s., including the use of all the models and instru- ments ; and the time to be occupied will, in ordinary cases, average about three months. Further particulars may be obtained on application to the Secretary, Mr R. I. LoNGBOTTOM, at his office, 309 Regent street. SYLLABUS OF A SUBSCRIPTION COURSE OF LECTURES ON THE STEAM ENGINE AND STEAM NAVIGATION, For Naval Officers and other Gentlemen, These Lectures are intended to give to those connected with Steam Navigation the most extensive information on the nature of the Marine Steam Engine, and the properties of steam as a Motive Power. The Lectures will be illustrated by Sectional and Working Models, and other appropriate Apparatus, with requisite Drawings, &c. Every new improvement will be fully discussed, and its merits shown. TO BE DELIVERED By Dr RYAN, The Professor of Chemistry to the Chemical School of the InstitiUion, and Lecturer on Natural and Mechanical Philosophy , ^c. ^c. AT THE ROYAL POLYTECHNIC INSTITUTION, Every Monday and Friday Evening, at Eight o'Clock. It is intended to make these Lectures a Subscription Course ; and as soon as Twenty-Jive Gentlemen have entered, the Course will commence. Terms, Two Guineas. PLAN OF THE COURSE. LECTURE I. On Atmospheric Pressure — its Influence on the Boiling Points of Water and other Liquids. On the Barometer and its uses, &c. &c. LECTURE IL On Heat and Combustion, On Fuel for Engines, and on the best mode of calculating the heating value of different kinds of Fuel for generating Steam, so as to enable the Commander of a Steam Ship, when in any foreign port, to select that fuel which shall be most eligible for a long voyage. LECTURE IIL On Steam Boilers. The pressure of the Atmosphere the Datum upon which the Elasticity of Steam is calculated. On Steam Safety Valves. On Marine Boilers, Water Ways, Flues, Detector Pipes, Glass Water Gauges, Copper Floats, Reverse Valves, and Pressure Gauges, &c. LECTURE IV. Further Remarks on Boilers and Boiler Apparatus, and on the several ways by which Boilers have been burst. On the use of Sea Water and other Waters for Boilers. Cements for Boilers. LECTURE V. On the principle upon which Steam acts as a Motive Power. On the method of calcu- lating the power of Steam, and its effective power when applied to the Engine. Steam Indicator, &c. LECTURE VL The several parts of Steam Engines explained, including a description of, and a com- parison between. Atmospheric, Condensing, Non-condensing, Expansive, and Rotatory Engines, LECTURE VIL On Marine Engines in particular. On Steam Navigation. The method of propelling Steam Vessels. Paddle Wheels and their modifications ; their Action, Motion, Centre of Pressure, &c. On the Reefing of Paddles. Spiral Propeller. LECTURE VIIL Further observations on Steam Navigation. On the absolute necessity of diminishing, in certain cases, Steam Power at Sea, when used in conjunction with Sails. Recapi- tulatory Remarks. Conclusion. For further Particulars apply to Mr R. I. Longbottom, Secretary. The above wood-engraving represents Napier's Patent Printing Machine, which presents some important novelties well worthy observation. The first consists in a most ingenious contrivance for taking hold of the sheet from the supplying board, retaining it while receiving the first-side impression, and releasing it at the precise moment that the corresponding apparatus in the other cylinder executes the same movement for the impression of the reiteration. This beautiful mechanism is contained in the interior of the impression cylinders, which have openings along their circum- ference, through which the grippers perform their operations, and upon their action depends that important desideratum of presswork, the accurate backing of the pages on the paper. Three or more pairs of these grippers, working upon the same axis, are employed in each cylinder. At the moment the first or white-paper impression cylinder arrives at the proper position (the vipper limb of each pair having been previously opened to relieve the former sheet, and the boy having by this time laid on another), they again instantly close upon the advanced edge of the paper, without the velocity of the machine being in the least interrupted. The sheet is by this means wrapped closely round the periphery of the cylinder, and there retained while it receives the impression on one side, after which, and upon the arrival of the grippers contained in the cylinders at their proper position (that is, where the cylinders present a tangent to each other), and whilst passing this point, the grippers contained in the second cylinder take hold of the sheet close by the others, whilst they at the same instant release their hold, and the sheet is, in like manner, conveyed round the second cylinder to receive the impression on the other side; the instant this is effected, the grippers again let go their hold, and the sheet, printed perfect on both sides, is discharged from the machine to the receiving board. Yet, notwithstanding the beauty and accuracy of this movement, the part of all others that reflects the highest credit upon the mechanical skill of the inventor is the rising and falling of the impression cylinders; for it is principally owing to tliis singular contrivance that he has been enabled so wonderfully to compress and simplify the machine as to bring it within the capability of so small a power to produce so much work ; it is this which admits of the cylinders being made so much smaller than in the old machines, and placed so close to each other as to be enabled to turn the sheet, and perfect it, without the intervention or assistance of any other cylinders ; for no sooner has the first cylinder given its impression than it instantly rises up, to avoid coming in contact with either of the formes, until it is again its turn to impress or print ; while at the same instant the second cylinder descends for the purpose of giving the second impression. Thus the cylinders alternately rise and fall during the whole progress of working : and it may be curious to observe that when down they are firmly held in their positions while they give the impression, and until their time arrives to be disengaged, and rise again. These cylinders are easily adjusted to any required degree of pressure, and that even without interrupting the progress of the machine ; and the inking apparatus, of which there is a set for either forme, is provided with various important contrivances, which fully answer every purpose required in that indispensable part of the operation of printing. CHARLES REYNELL, PRINTER TO HER MAJESTY, ^nU tjc <®«ecn Uotoager, AT THE KOYAL POLYTECHNIC INSTITUTION, AND AT LITTLE PULTENEY STREET, REGENT STREET. Orders for every description of Printing received by the Superintendant of the Printing Machine, at the Royal Polytechnic Institution, or at the Printing Office as above. HALL OF MANUFACTURES The Machines in this Hall are worked by Steam Power, ON THE RIGHT HAND. 1 All Ivory, Hard-wood, and Brass Turner's Workshop, with two Lathes, for turning Ivory, Hard-wood, or Brass, with a Rose Engine. Oval, Eccentric, and Orna- mental Turning, Ivory Carving, &c. 2 A Dutch Loom, for Weaving Ribands, &c. 3 Improved Printing Machine. Deposited by Mr REYNELL, Printer, 16 Little Pulteney street, Regent street. — See opposite page, 4 A Model of Ainslie's Patent Brick and Tile Making Machine. A large machine, on this principle, is capable of making from 10 to 20,000 bricks or tiles per day, at a cost of about one half less than hand labour, and at the same time producing a superior article. The model may be seen in operation from twelve till four o'clock. A prospectus may be had of the attendant. 5 A Model of an Improved Kitchen Range and Cooking Apparatus. Deposited by J. L. BENHAM, Wigmore street. 6* A Four-horse Power Double-cylinder Expansive Con- densing Steam Engine. By Edward Humphry s, of Lambeth. The advantage of this engine is its small consumption of fuel as compared with engines of the ordinary kind, which renders it an object of considerable interest to all connected with the use of steam power. In order to judge of its comparative merits in this respect, it is only necessary to inform the reader, that engines of this kind will do as much work by the combustion of one pound of coal, as the best common condensing single-cylinder engine (Watt's principle) will do with two pounds, and as much as a common high-pressure engine will do with six pounds. The plan of using two cylinders to obtain the advantage of the expansive action of steam, one in the state of high pressure, and the other of condensation, is not new, it having been introduced in the county of Cornwall, by an engineer of the name of Woolf, as far back as the year 1814, where it was used for draining some copper-mines ; and from that time to 1820 it did greater duty with a given quantity of coal than any other engine. How- ever, from the (then existing) difficulty of manufacturing engines on this prin- ciple, their use was discontinued ; and it is only since great improvement in manufacturing steam-engines has been introduced, that this kind of engine has been again brought into notice. The builder having further improved on V/oolf 's principle, is able to guarantee the consumption of fuel not to exceed two pounds and a half of coal to the horse power per hour (=33,0001bs. raised one foot high per minute). Several engines of some magnitude made by him are doing this duty. 7 Whitworth's Patent Planing Machine. B 18 8 D. F. Taylor and Co.'s Patent Machine for Making Solid Headed Pins, without the aid of Manual Labour. Deposited by Mr BRIGGS. When in motion a coil of wire placed on one side comes out at the other in the form of perfect Pins, the machine performing the whole of the necessary operations. It first straightens the wire, then measures and cuts it off to the proper length, afterwards, by two operations, points it, by two other operations forms the head, and finally throws it off a perfect and well- formed Pin, the head of which in use cannot come off. 9 Specimen of Rankin's Patent Wood Pavement. Deposited by Messrs ESDAILE and Co., City Saw Mills, Regent's Canal, City road, Licencees for the Metropolis. ON THE LEFT HAND. 1 A Power-Loom, for Weaving Checks, &c. 2 A Braiding Machine. 3 A Twisting ditto. 4 A Warping Mill. 5 & 6 A Copper-plate Printing Press at Work, Steel and Copper-plate Engraving, Medallion Ruling, Em- bossing, Electrotyping, &c., Engraved Plates of any size, and other Works of Art Electrotyped. Electro- type Apparatus, and Books of the Lectures delivered in the Institution, may be had here. 7 In this compartment is a powerful Lathe, and other Machinery, at work. The Names of all Depositors^ and their Addresses^ are to he obtained of the Secretary^ at the Entrance^ with the Prices of such Works as are sent for Sale. RECENTLY PUBLISHED, BY W. PALMER, AND TO BE HAD AT 5 AND 6, HALL OF MANUFACTURES, OUTLINES OF BOTANY; BEING THE SUBSTANCE OF SIX LECTURES Delivered in the Institution hy Mr Thomas Graham. OPINIONS OF THE PRESS. " Wo cordially recommend the work as one eminently deserving the patron- age of the public, and as one of the most complete and well-constructed publi- cations which has issued from the press." — Age, " We think they are admirably designed for the purpose, and hope to find other lecturers at this splendid Institution following the example which Mr Graham has so admirably set them."- — Weekly Chronicle, 19 GALLERY IN THE GREAT HALL. At the west-end of this Gallery are Specimens of Fresco, in the Ancient and Modern styles, executed by Frederick Sang, 32 Alpha road, Regent's park. LEFT HAND. 1 A Royal Bengal Tiger, which measured, when killed, 12^ hands in height, and 11 feet in length. Killed and deposited by T. B. BEALE, Esq. 2 A Bas-relief in Plaster. 3 Specimens of Cuttings with Scissors. By Mr Windsor. 4 Plaster Figure of the late Mr Telford. 5 A Figure in Plaster of a Female, to imitate Marble. Presented by — NOLAN, Esq. 6 An Antique Marble Bust. Deposited by M. ALMOSNINO. GLASS CASE (marked W.) Thirteen Models of Agricultural Implements, &c. Deposited by Messrs COTTAM and HALLEN, viz, 7 Beatson's Scarifier. 8 Smith's (of Deanston) Sub-soil Plough, 9 An Improved Sluice-Cock. 10 Morton's Revolving Harrow, with Extirpator. 11 A Park Roller, in two parts. 12 A Mole Plough; with Windlass, Plate, and Anchor. 13 A Double Frame Couch Rake, with Three Wheels. 14 A Single-spiked Roller, for Breaking Clods. 15 A Northumberland Two-row Roller Turnip-Drill. 16 Finlayson's Harrow. 17 A Bone-Crusher, with a Double Set of Rollers. 18 A Landscape in Paper-Cutting. By W. F. Windsor. 19 A Bust, in Marble, of a Lady. By E. Richardson, Esq. 19* A Vase of Polished Aberdeen Granite. Deposited by M'DONALD and LESLIE, Aberdeen. 20 GLASS CASE (marked A). 20 to 23 A Coorg Knife and Belt, a Chinese Bow, and a Bamboo Quiver and Arrows. Deposited by Mr SMITH. 24 A Pair of North American Mocassins, from the Mohican Tribe. Presented by R. I. LONGBOTTOM, Esq. 25 A Malay Crease. Deposited by Mr MARTIN. 26 to 30 Two Weapons of War from Nepaul ; three ditto of the Malays ; and an Opium Pipe, Lamp, and Box. Deposited by Dr SUTHERLAND. 31 Series of various Utensils and Ornaments from Mada- gascar. Deposited by Mrs MATHIAS. 32 Case containing Foreign Insects. Deposited by W. MOGG, Esq. 33 A Set of Figures to illustrate Cavalry Movements. Pre- sented by Major WATHEN. 33^' An Agon Board for playing a New Game of Skill on. 34 Hindostanee Dagger. 35 An Antique Malleable Bronze Spear-head, dredged up from the bed of the Thames. Deposited by — WALKER, Esq* 36 to 47 Twelve Hindoo Figures, 48 Model of the Shop Front of Messrs Saunders & Woolley, 170 Regent street. Executed and deposited by themselves. 49 A Chess Board, painted to imitate Minerals. By Miss C. E. Wilson, 63 Newman street. GLASS CASE (marked B). 50 Two Specimens of Casting in Type Metal. Deposited by Mr WILKINSON. 51 A fine Cast in Bronze. Deposited by Mr DANGER. 52 Two Specimens of Crace and Son's Papier Machee. 53 Enamel Portrait of a Lady. 54 and 55 A Model of the State Boat of the Nieuwaub of Moorshedabad, and a Dinghee, carved in ivory. Deposited by Dr JACKSON. 56 A State Carriage, drawn by Oxen. 21 57 and 58 A Palanquin and Bearers ; a Maliomedan Priest ; a Messenger and two Bullocks, carved in ivory. Deposited by Dr JACKSON. 59 Samples of Raw Cotton ; East Indian, West Indian, Brazil, American, and Egyptian. Presented by Mr NIXON. 60 Series of Objects illustrating the Manufacture of Wor- cester China, with Specimens of the Services exe- cuted for Windsor Castle. Deposited by Mr DANIELL. 61 Series of Objects illustrating the Manufacture of English Porcelain. Deposited by Mr T, RICHARDS. 62 Series of Objects illustrating the Manufacture of Earth- enware. Deposited by POUNTNEY and GOLDNEY, Pottery, Bristol. 63 Four Specimens of Parallel Glasses, for Quadrants, Sex- tants, &c. 64 A Prism. Deposited by Mr PORTER. 65 Specimens of Ashes from Hay, Oat, Wheat, and Barley Ricks. Presented by A. TUPPER, Esq. 66 Eight Pieces of Unannealed Glass. Deposited by Mr J. DROIT. 67 Optical Lenses, composed of Amber. Deposited by the Pa- tentees, E. SOLOMONS and Co., Opticians, &c., No. 36 Old Bond street, and No. 1 Old Jewry, City. 68 A painting, ' Strolling Players on the March.' By R. I. Longbottom, Esq. 69 A case containing several Photographic Portraits. Depo- sited by Mr R. BEARD, the Patentee. 70 A Painting. Deposited by JOHN WHITE, Esq. GLASS CASE (marked C). 71 to 73 Casts in Berlin Iron of the Duke of Wellington and Sir Walter Scott. Deposited by A* MULLAR and Co. Edinburgh. 74 to 76 Three Busts in Wax. Deposited by C. A. RIVERS. 77 and 78 A Figure of Pomona, and a Bust of a Lady, both in Wax. Modelled and deposited by Mr N. PALMER. 79 to 82 Three Mechanical Carvings in Ivory ; Bust of 22 Scott and T\\ o Children ; and One Ditto in Marble — Bust of Alexander. By Mr Cheverton. 83 An Electrotype Bust of the Duke of WeUington. Depo- posited by Mr POOLE. 83*An Electrotype Bust of Milton. By J. Marks, Esq. 84 to 86 Three Busts in Wax. By Mr C. A. Rivers. 87 Model of the New Chapel of Ease, Shenley, Herts. Deposited by Mr S. STAPLES. 88 Specimen of Ivory Turning: — Bust of the Queen. Deposited by Mr STAIGHT. 89 A Model of a Chinese Pagoda, in ivory. By Mr Staight. 90 A Chiragon, or Hand-rest for the Blind, to enable them to write straight and at equal distances. Invented by Mr STIDOLPH, the Mall, Kensington. 91 Model of Waltham Cross. By Miss M. L. Collyer. 92 A Cap worked by the Needle, worn by the Moplar Mer- chants on the Malabar Coast. Deposited by Mrs SPRING. 93 An Unique Specimen of Lithographic Drawing. 94 Electrotype Seals, and Impressions from them. By Mr Barclay, Engraver, 22 Gerrard street. 95 Benham's Instantaneous Light Apparatus. 96 A Mopaulese Shoe. 97 A Card Model of the Thames Tunnel, with Map and Plan. 97* Specimens of Colourless Plate Glass. Manufactured at the Union Plate-Glass Works, St Helen's, Lancashire. London Establishment, 16 Great Windmill street, Haymarket. 98 Brown's Patent Collapsible Metallic Colour Tubes. Deposited by T. BROWN, 163 High Holborn. 99 to 101 A Scagliola and two Mosaic Circular Table Tops. 102 An Apparatus for showing the Circulation of the Blood. Deposited by E. NEGRETTI. 103 A Coloured Drawing : The Annunciation. 104 An Oil Painting: Edward and Emma, from Prior. Deposited by W. ELMORE, Esq. / 23 GLASS CASE (marked D). 105 Griffin's Post-Office Letter Balance. 106 Hooper's ditto. 107 Dampier's Patent Geometric Balance. Deposited by J. G. HUGHES, 158 Strand. This most valuable self-adjusting weighing-machine, from the unerring principle upon which it is founded, and the simplicity in use, cannot fail to recommend itself. 108 Series illustrating the Manufacture of Steel from British Iron. Deposited by HOLLIS, SOLLY, and SON. 109 Patent Letter Balance. Invented by Professor WILLIS, of Cambridge, manufactured by JOSEPH and EDMUND RATCLIFF, St PauFs square, Birmingham, and deposited by Mr L. BOOTH, Duke street, Portland place, London. The recent Post-office Regulations have suggested a new problem in weigh- ing machines, namely, to make them indicate rapidly, not exact weights, but the number of entire ounces next greater than the weight of the letter or packet. In this balance the employment of separate ounce weights, placed in a rack, so as to be lifted or deposited in succession, compels its index to move through definite steps. 110 Elleston's Letter Balance. 1 1 1 Whinfield's Mercurial ditto. 112 Ronketti's Thermo-Barometer. 113 Bakewell's Angle-Meter. 114 Patent Glass Tubes, for preserving and using Oil Colours. Deposited by the Patentees, Messrs WINDSOR and NEWTON. Many desirable objects have been obtained by the invention of these tubes. The colour is deposited in an air-tight glass cylinder of a convenient length, through which its exact tint may be ^ seen without unclosing it, thereby entirely obviating the necessity of examination, to which the old plan of keeping it is exposed. One end of the cyhnder is fitted with a plug removeable at pleasure ; the other is provided with a screw piston, which, on being turned and pressed forward, projects the contents upwards and towards the plug. 115 A Box inlaid with 152 varieties of Wood. Deposited by Miss A. POTTS. ^ ^ 116 to 119 Specimens of Numismatic Engraving, by R. Edwards, 26 Lisle street. 120 Alexander's Ventilating Eye Shade. 121 Specimen of Embossed Glass, by Miss Wilson. 24 122 to 12G Six Acoustic Instruments. Deposited by W. H. CURTIS, Esq. 127 The Cephaloscope. This instrument was invented by John Harrison Curtis, Esq., Surgeon to the Royal Dispensary for Diseases of the Ear, and is employed in ascertain- ing the normal and abnormal sounds, in the organ of hearing, and is of use in cases of tinnitus auriura, and of the deaf and dumb. 128 Drawing in Frame — Winter Island." 129 Model of a Rotatory Disc Engine. Deposited by Dr SPURGIN. 130 A Model of a Throttle Valve. Deposited by Mr HEMMING. 131 and 132 Two Models of Zeitter and Co.'s Elastic Arches for Piano-Fortes, &c. The New Patent Piano-Fortes, manufactured by Zeitter and Co. have all the latest improvements, particularly wrought-iron string plates, wrought-iron bracings over the sounding board, and an additional iron bar on and under the Rest plank. Also the newly-invented sounding board, for which they obtained his late Majesty's Royal Letters Patent, and which has been admitted by the first professors to be the most important improvement ever applied to Piano-Fortes, for the production of a full and equal quality of tone, it being on a principle somewhat similar to ihe violin, warranted not to lose its elasticity, or to yield to the pressure of the strings (invariably the case with sounding boards on the old construction), and to stand well in extreme climates. 133 Six Portraits of North American Indian Chiefs. Depo- sited by Mr CAMPBELL. 134 A Painting. Deposited by J. WHITE, Esq. GLASS CASE (marked E). 135 to 172 Busts of the Queen, Prince Albert, and the Duke of Wellington ; three Malaga Figures ; a Derbyshire Inlaid Table, with Engraved Border ; and 32 other beautiful objects, in Alabaster and Black Marble. Deposited by Mr TENNANT, 149 Strand. 173 Portrait of the Rev. Dr Butler, late Bishop of Lich- field. Deposited by Mr BOYS, Golden square. The original picture was painted by J. Phillips, Esq., R.A. The engraving: 5s by Mr Samuel Cousins, A. R.A. It is an excellent likeness. 174 Landscape and Figures. By G. Poussin. Deposited by J. ROGERS, Esq. 25 GLASS CASE (marked F). 175 Salteriau Chemical Razor Strop. 176 to 180 Read's Patent Flexible Tubes, Hollow Probang, and newly invented Catheter, &c., for Cattle. 181 Specimen of Cloth manufactured from Glass. Presented by Sir GEORGE CAYLEY, Bart. 182 An Improved Double-spring Crutch. Deposited bv Mr SPARKS. ^ 183 Various Specimens of War and other Instruments, from Nepaul, Assam, and other parts of India. Deposited by Mrs CANTOR. 184 Carvings in Wood. Deposited by Mr T. ASKEW. 185 Day's Patent Gun and Pistol. Deposited by Mr PIUBBARD. 186 Double Cocoa Nut, from Seychelles Island. Presented by ARTHUR TUPPER, Esq. 187 Specimen of Talc from Sweden. Deposited by Mr PORTER. 188 to 205 Various Specimens of War and other Instru- ments, Drinking Utensils, Grass Pouches, and Arti- cles of Dress, from the Mandingo Tribe, Western Coast of Africa. Deposited by FRANCIS WILLIAM FIN- DEN, Esq. 206 and 207 Two small Garden Engines. By Mr Read. 208 Pair of North American Snow Shoes. Deposited by FRANCIS WILLIAM FINDEN, Esq. 209 Engraving — whole-length Portrait of his Royal High- ness the Duke of Cambridge. Deposited by Mr BOYS, » Golden square. The original picture, which is esteemed a most faithful likeness, was painted by Mr Lucas, and the engraving executed by Mr Henry Cousins. 210 A Painting, by Ansdell, of Liverpool, of the Alpacas, first exhibited at the British Association, Glasgow, 1 84 1 . Deposited by W. DANSON, Esq. These animals come from Peru, and live on the Cordilleras, or high mountains, where rain falls five months in the year. In a moist atmosphere, like Scotland and Wales, their wool is as fine as silk (samples of it, and of articles of dress manufactured from it, may be seen in the case below). It is believed they would be a valuable acquisition as a new breeding stock on the high and waste lands in the United Kingdom. They are very hardy, and not at cill affected by the cold. 26 GLASS CASE (marked G). 211 An Improved Air Cane. Deposited by Mr REILLY, Gun Maker, Holborn. 212 A Stuffed Specimen of the Gymnotus Electricus, or Electrical Eel. Deposited by the London Electrical Society. 213 A Model of a Pile-driving Machine. 214 Samples of the raw Alpaca Silky Wool, showing its various natural colours, and Specimens of different kinds of manufacture from the above, in imitation of silk, some black as jet without dye. 215 Samples of Sheep's Wool from Astrachan, Odessa, Buenos Ayres, and New South Wales ; and a Scotch tarrv or fleece. 216 A Shirt made in the Philippine Islands from the Abacas, a species of Palm-tree, the harsh fila- ments of which, without spinning, the Indians con- vert into texture equal to the finest muslins of Bengal. The above are deposited by W. WALTON, Esq. 217 An Idol, carved in granite, from St Domingo. 218 Specimens showing the Progressive Steps in the Print- ing of Silk Handkerchiefs. Deposited by Mr TUCKER. 219 Specimens of English Silk Weaving. By Mr John ShoU. 220 Model of a Steam Gun. 221 Model of a Wooden Bridge, erected at Terrebonne, near Montreal, N.A. 222 An improved Supply Cock for Cisterns. 223 A Model of a Fire Escape. 224 Four Specimens of Printing in Colours. By M. and N. Hanhart, Charlotte street, Fitzroy square. 225 Bust of her Majesty, at Ten years of Age. By W. Behnes, Esq. 226 Scagliola Circular Pedestal. Manufactured and deposited by Mr SKELTON. 227 Model of the Parthenon. Deposited by W. NICHOLAY, Esq. 228 A Plaster Group. 27 GLASS CASE (marked X). Nine Models of Agricultural Implements, &c. Deposited by Messrs COTTAM and HALLEN, viz. 229 A Self-clearing Double-spiked Roller, for breaking Clods. 230 A Potatoe Washer. 231 A Double-wheel Creasing Plough. 232 A Thirteen-row Suffolk Lever Drill. 233 A Double Oil-cake Breaker, for Feeding Cattle 234 Cottam's Rising and Falling Harrow. 235 A Heavy Triangular Cultivator. 236 A Portable Threshing Machine. 237 A Six-row Suffolk Drill. 238 and 239 Crosley'^s Pneumatic Telegraph. Intelligence may be transmitted from one Station to another many miles distant by means of a Tube containing atmospheric air. A gas-holder, or other collapsing vessel, is connected with the air tube at one station, containing a small volume of air as a reservoir to compensate for any changes of volume, arising from compression or variation of temperature, and for supplying any casual loss from leakage, so that any degree of pressure which may be given shall be uniformly maintained. Thus, by means of Ten different weights, numbered from one to ten, and having a pressure Index at the opposite extremity, with ten corresponding divisions, it will be evident, that if a weight of any required number be placed upon the collapsing air-vessel at one station, the same number will speedily appear on the Index at the other ; whereby an infinite variety of numbers may be transmitted, corresponding to a dictionary of words or sentences, in the usual manner. 240 An Entomologist Night-Trap Lantern. Deposited by Mr LANE. 241 Dr Arnott's Hydrostatic Bed. Manufactured by Mr WILLIAMS, Upper Cleveland street. 242 A Rustic Chair. Deposited by Mr GRAY. 243 and 244 Specimens of Photogenic Drawing (on pier). By Mr J. T. Cooper, jun. 245 Portrait of the Duke of Wellington (on pier), in his official costume as Chancellor of the University of Oxford. Deposited by Messrs HODGSON and GRAVES, Printsellers to the Royal Family. For this admirable portrait his Grace was pleased to give the painter a final sitting in March last, when, to mark his extreme approval, and place this pic- 28 ture beyond the reach of all competition, he wrote with his own hand on the canvass his auto{^raph as Chancellor of the University of Oxford. The engraving- has been beautifully executed by Mr G. H. Phillips, from the original picture painted by H. P. Briggs, Esq., ii.A., for the Earl of Eldon. 246 Pumps for supplying the Diver with air when under Water. 247 A Figure in Stained Glass, painted by E. Bailee. Represents Ernest the Pious, or Confessor, who died in 1546. Inheriting the ])rincipalities of Brunswick and Luneburg, as surviving representative of the intermediate line, he was the founder of both branches of the existing dynasty. The inheritance was again divided at his decease, by which partition Henry, his eldest son, established the line of Wolfenbiittle, in ] 569, and William, his youngest son, established the line of Brunswick Luneburg. It was a de- scendant of the last-mentioned prince, Duke Ernest Augustus, who was raised to the dignity of Ninth Elector of the Empire, in 1692; and George Lewis, a son of the same Ernest Augustus, succeeded to the crown of Great Britain, in 1714, by virtue of his descent, on the female side, from James I. — Penny Cyclopmlia. 248 Drawing of a proposed Monument to Lord Nelson. By Captain George Smith, R.N. 249 Lithographic Drawing of Queen's College, Bath; and Cavendish Chapel, Ramsgate. By Mr James Wilson. No. 21. 250 A pair of Swedish Porphyry Vases. 251 Painting on Glass, Deposited by Messrs HOADLEY and OLDFIELD, 6 St James's place, Hampstead road. 252 Paintings on Glass (in Window), with figures of the Earl and Countess of Pembroke, and various Heraldic Devices and Coats of Arms. By Messrs Hoadley and Co. 253 A Plaster Group — Arria and Poetus. 254 Bronzed Cast of the figure of Apollo. 255 Plaster Cast. The Piping Faun. Deposited by — NOLAN, Esq. CALLERY COI^TSI^SUED. 256 Design for the Improvement of Holborn. By Mr J. P. Burnard. 257 Portrait of a Lady. By Miss Drummond. 258 A Weighing Machine. Deposited by Mr SHENSTON, Strand. 29 259 Model of a Patent Spring Bedstead. Deposited by Mr WILKIE, Nassau street, Middlesex Hospital. 260 A Cast in Plaster of a Charger proposed for a Statue of the Duke of Wellington. By Professor Kiss, of Berlin. 261 Mechanical Bedstead. Invented, patented, and deposited by J. W. THOMPSON, 18^ Maddox street, Hanover square. 262 A Patent Expanding and Contracting Table; which, from a size capable of dining four persons only, can be expanded to a size capable of accommodating twenty -four. Invented and deposited by Mr JUPE, 67 New Bond street. 263 An Improved Wheel Barometer, &c. (on pier). By J, Porter. 264 An Engraving — The Tired Huntsman. Deposited by the Art-Union Society of London. 265 Portrait of his Grace the Duke of Wellington, in his robes as Chancellor of Oxford. Deposited by Mr F. G. MOON, Publisher in Ordinary to her Majesty. Numerous as have been the portraits of " the greatest commander of his age, and the most eminent statesman of his time," one was yet wanting which should represent him associated with the veneration and learning of the uni- versity over which he presides. Honoured and distinguished by the choice of that learned body — an honour which reflected lustre on themselves — the accession of the Duke of Wellington to the Chancellor's Chair of Oxford is, and will be, one of the most remarkable epochs of its history. The original portrait, which is unsurpassed as a faithful likeness, was painted by J. Lucas, Esq., at Walmer Castle, and subsequently presented by the Duke himself to the University of Oxford. The engraving, by Mr S. Cousins, A.R.A., is an admirable transcript of the original. 266 A Case of Preserved Insects. Deposited by BOSCAWEN IBBETSON, Esq. 267 A Waterproof Cape and Waterproof Legging. Deposited by the Patentees, HALL and CO., Wellington street, Strand. 268 A Specimen of Marquetaire for Floors. Deposited by Mr. GREENWOOD. 269 A Model Map of the Swiss, Italian, and French Alps. By M. Chauvet. 270 Glass Case containing Samples of Wheat, Oats, and Barley, grown near Adelaide, South Australia. Presented to the Listitution by the South Australian Company. 271 and 272 Two Engravings. Deposited by Mr BOYS, Golden square. These are companion prints, referring to a momentous period of English history, both painted by W, Fisk, Esq., and engraved by Mr James Scott. 30 One represents < The last moments of King Charles I,* and the other, ' Crom- well's Family interceding for the life of Charles I.* They are much esteemed by all judges of the art of engraving. 273 Scagliola Pedestal. Deposited by Mr SKELTON. 274 Fine Specimen of Brain Stone. Deposited by WILLIAM NURSE, Esq. 275 Specimen of Woolfe and Son's Creta Laevis. GLASS CASE (marked H). 276 A Pair of Porphyry Bearing Blocks, 277 A Case of Brazilian Insects. 278 A Ditto 279 A Ditto. 280 A Case of Butterflies. Deposited by Master DERBY. 28 1 A Case of Brazilian Insects. Deposited by R. REMMETT, Esq. 282 A Ditto of Brazilian Butterflies. 283 Samples of Horse-hair Fabric, with Flesh Gloves, and Velvet Brush, made of the same material. Deposited by Mr DINNEFORD, 172 New Bond street. 284 A Gentlemen's Patent Pannus-Corium, or Leather- Cloth Shoe ; and a Lady's ditto, in a Patent India- Rubber Golosh. Deposited by the Patentees, HALL and CO , Wellington street, Strand. The Pannus-Corium Boots and Shoes for tender feet. The India- Rubber Goloshes are light, durable, elastic, and waterproof, and resemble the finest morocco leather. 285 Specimens of Imperial Waterproof Composition for Shoe Leather, without Indian Rubber. Deposited by Mr M'MILLAN. 286 Waterproof Shoe, made of the Phormium Tenax, or New Zealand Flax. ByT. Lester, Foregate, Stafford. 287 Specimens of Patent Elastic Boots. Deposited by j. SPARKS HALL, 308 Regent street. 288 Jones's Patent Boot and Shoe Drying and Warming Last. The object of this invention is to obviate the disagreeable necessity of drying and warming wet or cold boots and shoes by the fire, a plan as destructive as it is inconvenient. By filling the tin last with boiling water, and then placing it inside a damp or cold boot or shoe, the leather will speedily become dry. 289 Bull's Patent Boot and Shoe Warmers. 31 290 A Pair of Slippers, the uppers composed of Glass. Presented by Sir GEORGE CAYLEY, Bart. 291 Shoes now worn by Ladies in the Drawing Room in the South of France, without Stockings, or with the finest Gossamer Silk Stockings. Deposited by Mr MAUGHAM. 292 Patent Clogs, which require no fastening. Deposited by Mr J. SCHALLER. 293 Perry's Patent Filter Inkstand. 294 Patent Photolyphon, or Self-acting Candle Extinguisher, Deposited by Mr S. JONES, 201 Strand. This is one of the most simple and valuable of modern inventions, inasmuch as it may oftentimes prevent the loss of human life. It is so constructed that, without soiling the fingers, it can be readily placed over a candle, and so ad- justed as to cause the light to be extinguished at any precise moment of time. 295 Specimens of Lloyd and Co.'s Patent prepared Sheet Cork for Shoes. 296 Read's Patent Resuscitator, for restoring suspended animation. Deposited by Mr READ, Regent circus. 297 Model of a Bench for enabling Shoemakers to work standing, or sitting on a high Stool. Deposited by Mr DOWIE. 298 Specimens of Elastic-Sole Boots and Shoes. Deposited by J. DOWIE. 299 to 302 A Club, Basket, Dish, and Fishing Line, from New Zealand ; and a Pillow from the Friendly Islands. Presented by Captain CLINDON. 303 The Flying Windmill. Deposited by M. TRELUDDRA. 304 Specimen of Palmer's Patent Electrotint. 305 Painting of George III, by West. GLASS CASE (marked I). 306 A Series of Objects illustrating the Manufacture of Silk ; with several Specimens of English Manufacture. Deposited by COOPER and SONS, Waterloo place. 307 Specimen of Clouded Satin, manufactured for Swan and Edgar, by Stone and Kemp, Spital square. The Design is printed on the warp before it is woven, 308 Specimens of Silk in the Raw State. • 32 309 A New Zealander's Dress. Deposited by T. EDGAR, Esq. 310 An Ornamented Chess Board, executed by a Lad^^ Deposited by J. WHITE, Esq. 311 A Coat of Mail of an Indian Warrior, made with the scales of the Pentadactyla, or Short-tailed Manis, from the East Indies. Deposited by Major Gen. ALEX^ ANDER. 312 The Pentadactyla. Deposited by Ditto. 313 A Grebe Skin. Deposited by Mr NICHOLAY. 314 Specimens of Irish Poplins. Deposited by ATKINSON and CO., Manufacturers, College green, Dublin. 315 to 330 Various Specimens of War and other Imple- ments, Fishing Tackle, and articles of Dress from New Zealand. Deposited by T. M. BATTERSBY. 331 Six Dissections of Coleopterous Insects. Deposited by Mr LANE. 332 An Engraving — Portrait of Lord Yarborough, 333 A Ditto — Portrait of the Duchess of Richmond. Engraved by G. R. WARD. 334 A Marble Bast— Ceres. Deposited for sale by M.ALMOSNI NO, GLASS CASE (marked J). 335 to 340 vShelf containing various Specimens of Minerals. 341 A beautiful Cast of the Head of the Ichthyosaurus Com- munis, with its sclerotic orb. Deposited by Mr DECK. 342 to 354 Various Specimens of Minerals and Fossils. 355 Sixteen Specimens of different Building Stones. 356 Specimens of Ammonites and other Fossils. 357 A Set of Sopwith's Geological Models. Deposited by Mr TENNANT, Strand. 358 Box of Minerals for Students. Deposited by Mr TENNANT, 359 Ammonites from the Oxford Clay. 360 Fourteen Casts of the Teeth and Bones of the Iguanodon Hijla^osaurus and Gavial, from the originals in the British Museum. 33 361 Two Specimens of Bismuth crystallized in cooling, after being melted. 362 and 363 Specimen of Landscape Marble, and Ar- borescent Oxide of Manganese on Lithographic Stone. 364 Specimen of Asbestos. 365 Specimen of Native Copper. 366 Various Specimens of Lapis Lazuli, Agates, native Gold and Platinum, and several Minerals. 367 Shelf containing 120 Ge'ological Specimens. The above deposited by Mr TENNANT, 149 Strand. 368 Forty-six Geological Specimens of Earths, Rocks, &c. 369 and 370 Two Cabinet Paintings, by Collier. Deposited by R. SLEE, Esq. 371 A Specimen of Pearl Inlaying. Deposited by Mr WHITE. 372 Painting— Landscape and Figures. GLASS CASE (marked K). Series of Specimens of English Agricultural Soils, Earths, Deposited by Mr LANCE, viz.— and Manures. UPPER SHELF. APPROPRIATE MANURES Carbonised Humus. Ditto, with Bone Dust. 373 CALCAREOUS SOILS : Chalk and Shell Marls. Clay and Gait. Chalk and Oolite. 374 Specimen of a Deposit found in Berkshire after an Inundation of the Thames. Presented by Colonel CHAL- LONER. 375 Clay and Clay Loams SECOND SHELF. ARGILLACEOUS SOILS : Animalised Carbon, for the Clays, and Carbonised Hu- mus, with Bone Dust, for Loams. c 34 THIRD SHELF. 376 siLicTors soils : Animalised Carbon. Sands and Sandy Loams, j Carbonised Humus, with Bone Dust, for Loams. FOURTH SHELF. LEFT HAND. 377 ALLUVIAL AND VEGETABLE SOILS : Animalised Carbon, with Peat Bog, &c. Additional Lime, and Pulverised Earths. RIGHT HAND. 378 MAGNESIAN SOILS ! Magnesia, Lime, &c. j Carbonised Humus, with I Bone Dust. FIFTH SHELF. Manures. 379 r Specimens of various Improved } Ditto of various Corn. C Model of a Hop Press. 380 Eight Pictures, painted on Silk, by Monsieur Mansion. Deposited (for sale) by Monsieur de VARROC. 381 Specimen of an Improved Method of Cleaning Old Engravings. By Mr Remiot. 382 A Portrait of John Sholl, the celebrated Apiarian. Painted by SHEGOGUE, of New York. GLASS CASE (marked L). 383 Shelf containing various Specimens of Iron and other Ores. 384 and 385 Geological Models of the Isle of Wight with section. Deposited by Mr LOWRY. 386 Model of Alum Bay. Deposited by Mr DECK. 387 Layton's Rotatory Navigator. 388 Shelf containing numerous Casts from Fossils, &c. Deposited by Mr DECK. 35 389 Specimens of Photographic Portraits : taken by Beard's Patent Process. 390 A Specimen of Hair Working. 391 One hundred Specimens of the Geology of South Aus- tralia. Deposited (for sale) by Mr ANGAS. 392 Series of Specimens illustrating the Geological Forma- tion of Scotland. 393 A Sample of Gum Copal. Deposited by Mr NAYLOR. 394 to 398 Four Ancient German Guns, and a Double- barrelled Pistol. Deposited by Mr T. C ASTON. 399 A Case containing Photographic Portraits. Deposited by Mr R. BEARD, the Patentee. 400 A Photographic Drawing. By Boscawen Ibbetson. 401 A Painting— Death of Lord Chatham. By the late B. West. Deposited by E» MORGAN, Esq. GLASS CASE (marked M). 402 The Sea Swallow. Deposited by Sir G. CAYLEY, Bart. 403 to 427 Twenty-four Specimens of i\frican Stuffed Birds. Deposited by Mr MOGG. 428 and 429 Medallions of the Queen and Prince Albert, in Wax. Deposited by Mr W. PICKMAN. 430 Plowman's Portable Letter Copier. 431 Various Specimens of English Coral, Fossil ditto, and Madrepores. Deposited by Mr J. HEGGERTY. 432 and 433 Ditto, ditto. 434 Specimen of Fossil Wood. Deposited by Mr HEGGERTY. 435 Thirty-two Specimens of the Geology of the Isle of Wight. Deposited by Mr DECK. 436 Models of Two Pieces of Roman Pavement found under the French Protestant Church, Threadneedle street, at a depth of fourteen feet. Deposited by Sir PETER LAURIE, . 437 Hawkins's Patent Everlasting Gold Pens. 438 to 442 Five Castings in Bronze, from Nature. Deposited by Mr WILKINSON, 36 443 Curious Specimens of Sponge and Fossil, from Chalk. Presented by Mr TAIT. 444 Rich Specimen of Copper Ore. Presented by JAMES CLYxMO, Esq. 445 Four Impressions from Silver Snuff Boxes ; two Im- pressions, from Miniature Mountings, for Bracelets ; and an Engraving, by R. Edwards, from a Picture by Lancrete. Engraved for her Majesty, and deposited by R. EDWARDS, 26 Lisle street, Leicester square. 446 to 450 Relics from the Fire at the Tower, consisting of Gun Barrels, Gun Locks, Gun Flints, a Ssvord, &c., &C. Deposited by Miss WILSON. 451 Specimens of Cloth 4000 years old, taken from a Mummy. 452 Model of Else's Apparatus for Cleaning Chimneys. 453 CowelFs Improved Bill Files. 454 Specimens of Calotype Portraits. By M. Collen, Esq. 455 A Photogenic Drawing. By Boscawen Ibbetson, Esq. 456 Mosaic Circular Chess Table. 457 A Bust of Mr J. Barwise. By C. A. Rivers. GLASS CASE (marked N): 458 to 467 Specimens of Daguerreotype Pictures. 468 to 540 Seventy-two Specimens of Earths taken in boring a Well two hundred and twenty feet deep at Cole- brook cottage, Islington, showing the difference of the Strata at every foot after the first hundred feet, which were principally blue clay. Presented by Mr WEBB. N.B. The numbers on the specimens indicate their depth in feet from the surface. 54 1 Specimen of Artificial Granite. Deposited by Mr WILLIAMS, 542 Specimens of Fossil Coal Plants, and of a Fossil Fish. Presented by Mr INOTTINGHAM. 543 An Elephant's Tooth. 544 Specimen of Bismuth, crystallised in cooling. Deposited by Dr POTTS. 37 545 Five Cards and some broken Glass, showing the effects produced by the deflagration of different metals by the large Electrical Machine. 545^Crystals produced through the agency of Voltaic Elec- tricity. By Andrew Crosse, Esq. Deposited by the London Electrical Society. 546 Seventeen Geological Specimens from Antigua. Deposited by the Rev. S. ISAACSON. 547 A Wasp's Nest, and various other articles from Guiana. 548 Three Fossils from the Chalk Pits, Dorking. 549 The Tooth of a Hippopotamus. 550 Specimens of New Zealand Flax and Cloth. Deposited by Miss WILSON. 551 Tusk of a Walrus. 552 and 553 (At the East End of the Gallery.) Two large Assam Buffalos' Sculls, with Horns attached. 554 and 555 Marriott's Patent Weighing Machine, and Standard Measuring Machine; by means of which Visitors can be weighed and measured, and obtain a Certificate, without extra charge. N.B. The measuring machine is on the pier opposite the weighing machine. 556 Imitation Marble Pedestal. Deposited by Mr BARRON. 557 A Bass-Relief in Plaster. 558 A Patent Soho Lamp. Deposited by Messrs CROSS and BLACKVVELL, Soho square. 071 the Right-hand Pier, East End of Gallery. 559 The Horographic Orrery. Constructed by T. RICHARDS, Droitwich, is an exempHfication of the Copernican-Newtonian system of Astronomy, ex- hibiting the Sun ( a perfect illuminated sphere, with briUiant rays, &c. ) apparently poised in space, occupying one of the foci of the Earth's elliptic path. In the immediate vicinity of the Sun, the hour and minute of the day are pointed out by, and among, clusters of stars ; distant from which the Earth i seen a perfect globe (apparently without support), receiving its light from the Sun; its axis inclined, and always preserving its parallehsm, performing 38 its diurnal revolutions, exemplifying the sidereal and solar day, the length of the day and the hour at all places upon its surface, its annual revolution round the Sun, and consequent changes of Seasons, its Perihelion and Aphelion dis- tances. The day of the month is pointed out as the Earth progresses in her orbit, as are also the signs of the Zodiac, the principal Stars, and degrees the Earth and Sun are passing through, the nutation of the Earth's axis, the pre- cession of the Equinoxes, &c. The Moon (likewise a perfect globe) is repre- sented receiving her light from the Sun, and reflecting it back upon the Earth, performing her monthly revolutions round the Earth, illustrating Eclipses of the Sun and Moon, exemplifying the causes of the Tides, accompanying the Earth in her annual revolutions round the Sun, &c. The harmony and perfect agreement of the apparent (as exhibited in the Egyptian Clock) and real motions of the Sun, Earth, and her Satellite, as shown by the Orrery, are strikingly evident. The simple and intelligible ex- emplification of the above-mentioned systems of Astronomy, afforded by these novel pieces of mechanism, renders them peculiarly well suited for the inculca- tion of a sound knowledge of this most interesting Science. 560 (Back of Pier). Skin of a Boa Constrictor of great size and rarity, brought from India by the Right Honourable the Countess of Cardigan. Deposited by Mr NICHOLAY. 561 and 562 Two Portraits. Deposited by Mr BOYS, Golden square. These are companion engravings (opposite to each other on the two piers), both executed by Mr James Scott. One is a portrait of the Duke of Wellington, and the other of Sir Robert Peel, Bart.; both are half-lengths, and of a con- venient size for framing. They will be recognized as excellent likenesses. On the Left-hand Pier, East End of Gallery. 563 An Egyptian Astronomical Clock. Constructed by Mr T. RICHARDS, Droitwich, is an illustration of the Ptolemaic or Egyptian system of Astronomy ; re- presenting the Eastern Hemisphere of the Earth as a fixed body ; the Tides in progressive motion round the Earth, demonstrating their theory, &c. ; the Moon surrounded by Stars, performing her diurnal revolution round the Earth, to a second of time ; exhibiting her phases, and in her progress indicating her age, with the most minute accuracy ; her position in the heavens, her prox- imity to the Sun (in degrees) and reverse position ; her time of rising, south- ing, setting, &c. The Sun, as a body, is represented making his apparent diurnal revolution round the Earth, and indicating his progress by degrees, hours, minutes, &c. His situation in the heavens, or point of the compass he is in, is shown ; together with the minute he rises and sets each current day, throughout his unequal variations from the Solstices to the Equinoxes ; the relative duration of day and night, and number of degrees he describes above the Horizon ; his meridian altitude; length of twilight, the constellation of the Zodiac he is passing through, the day he entered the sign, and number of stars composing the Asterism, the day of the week, and the heathen god from which the day derived its name. The ebbing and flowing of the tide in the 39 Thames is seen in a view of London, and the time of high water is pointed out. The day and name of the month are exhibited accurately throughout the year, with the number of days in each month. The Clock has been in action two years, and fully realizes the expectations of the inventor. The mechanism and combinations being quite free from perplexity, its motions are exempt from derangement, and require no other attention than a common time-piece. 564 Compound or Multiplying Mirror. Deposited by Mr GOULD. 565 Trinity House Portrait of the Duke of Wellington. Deposited by Mr BOYS, Golden square. This engraving was executed by Mr Henry Cousins, from the original picture painted by John Lucas, Esq., for the Corporation of the Trinity, ac- knowledged to be the finest portrait of the Duke by that artist. It repre- sents his Grace as Master of the Trinity House, painted as the Duke actually is, every part of the composition depicting his living attitude, manner, and appearance. 566 (Back of Pier). Boa Constrictor Skin, similar to the one described at No. 560. Between the Piers* 567 A curiously constructed Glass Dial, the Hand containing the Works. Presented by Sir GEORGE CAYLEY, Bart. 568 Shafting for Driving Hall's Patent Hydraulic Belt or Water Elevator, and other Models, &c. 569 A Self-Registering Anemometer and Rain Gauge (similar to the one erected at the Philosophical Insti- tution, Birmingham), for the purpose of registering the Records of Storms. Invented by Mr A. Follett Osier, of Birmingham. 570 An Orrery, in which the relative sizes of the Sun, Earth, Jupiter, Saturn, kc. are compared. The model of the earth is one inch in diameter, the other planets are in the same proportion. The comparative diameter of the sun is nine feet two inches and three-eighths. Deposited by WILLIAM FOY, Esq. 571 and 572 Two Phantasmascopes (one on each side of the Gallery on the brass rails). By looking through the apertures in the revolving disc, the figures will appear to be " playing on the fiddle," and " playing at leap-frog." End of the Gallery, 40 STAIRCASE LEADING TO THEATRE AND EAST BALCONY ROOM 573 A Painting of William III at the Battle of the Boyne. By Wycke. Deposited (for sale) by Mr EVANS. 574 A Painting of our Saviour washing the feet of his Dis- ciples. Deposited by Mr BROUGHTON. EAST BALCONY ROOM. (No. 16). This Room is papered with Martin's Patent Oil- Colour Marble Paper ; Factory, Lower Mansfield place, Kentish Town. GLASS CASE (marked Y). 575 Series of Models of Figures and Utensils, illustrating the Habits and Manners of the South Americans. 576 Series of Fossils. 577 A^arious Indian Figures and Utensils, also Fossils and Shells, from the Southern Hemisphere. 578 Ten Specimens of Argentiferous Lead Ore, from the Kenmare Mines on the property of the Marquis Lansdowne. Presented by R. W. SIEVIER, Esq. 579 Specimens of Vitreous Rock, from Beddgelert, North Wales. 580 Specimens of Copper Ore from Beddgelert. Presented by R. W. SIEVIER, Esq. 581 Curious Ornamented Horn from South America. 582 to 590 Various Figures Manufactured from Tobacco. Deposited by J. LOGAN, Esq. 591 Part of the Petrified Root of a Cocoa-nut Tree. 592 The Back-bone of the Carpet Snake. 593 The Grinder of an Elephant. 594 A Model of a Catamaran. 595 A Model of a Masoolah Boat. These vessels are made of light wood, and sewn together with Coir string. They are used for landing passengers, &c. at Madras, and other parts of India. The above are deposited by Sir J AS. SUTHERLAND. 41 GLASS CASE (marked Z). 596 Fine Specimen of Manganese Ore. Presented by C. WING, P:£q. 597 to G20 Series of Clay Models of Figures and Utensils illustrating the Manners, Dress, and Customs of the Hindoos, and their various grades ; viz. of Jogees, Kitmudgas, Bearers, Fishermen, Fugeers, Maho- medan Figures, &c. 621 Six Models of Boats from the East Indies. Presented by Earl DUNDONALD, 622 Three Figures of Animals carved in Green Stone. 623 A White Copper Balance Lamp. 624 Eight Bronze Figures, used as Weights by the Burmese. 625 Various Shell Bracelets and Ornaments ; and Orna- ments from Rangoon. 626 and 627 An Alligator preserved in spirits ; and the Nutmeg in its various states. Deposited by Dr JACKSON. 628 A Collection of West India Serpents and other Reptiles. Presented by E. W. DUFFIN, Esq. 629 and 630 Two Burmese Musical Instruments. Deposited by Dr JACKSON. 631 A Built Model of a 42-Gun Frigate. Presented by GEO. TOWNLEY, Esq. F.R.S. 632 Model of the Stork Sloop of War, built to Scale by an Amateur. 633 Model of the Royal Sovereign, 110 Guns. 634 Model of a Bombay Grab. Deposited by Major-General ALEXANDER. 635 Model of the Albion, 74 Guns. 636 Model of the Cowarch Lead, &c., Mine, Merionethshire, North Wales. 637 Model of the Royal George. 638 A Model of the Centurion, Commodore Anson's Ship, with a Patent Launching Slip. Deposited by Mr BON- NIWELL. 639 A Built Model of a Ship 640 A Built Model of a Frigate. 42 641 Model of a 14-Gun Brig. 642 A 50-Gun Ship, built in 1707. 643 Life Boat. 644 Section of a First-rate, showing the inside fittings. 645 A Built Model of the Sultana. Deposited by — HALE, Esq. 646 A Congreve Rocket. 647 A Musical Instrument from Africa. Presented by W. HADDON, Esq. 648 Two Indian Exercising Instruments. Deposited by Dr JACKSON. 649 and 650 Tv/o Drinking Horns, from Assam. Deposited by Mrs CANTOR. 651 Diana Frigate, with 50 Brass Guns. 652 Model of the Juno Frigate, 40 Guns. 653 Model of the Barfleur, 90 Guns. 654 Model of the Kite Queen's Cutter, 14 Guns. 655 A Model of a Patent Hydraulic Graving Dock, for elevating Vessels out of the Water, to examine them. Deposited by W. PITCHER, Esq. 656 Ward's Improved Drum, 657 A large Metallic Reflector. A whisper may be dis- tinctly heard between this and the one in the oppo- site Balcony. THEATRE AND MICROSCOPE ROOM. in this room, wdiich is capable of containing five hundred and fifty persons, Lectures on Chemistr}^, the Steam-Engine, &c. &c., are delivered daily. Here also the Experiments wdth the Colossal Electrical Machine are made, and the Dissolving View^s, &:c. shown. At the sides are Glass Cases, containing Sectional and Working Models of Steam Engines, and a variety of Appa- ratus used in Illustrating the Lectures. BASEMENT STORY. 658 A Cooking Stove. Deposited by Mr DEAR. 659 A Thermocrat Stove. Deposited by Messrs LIVERMORE and SIEBE. 43 660 Mining Machinery for raising Ores, &c., by an alter- nating movement. Deposited by Dr SPURGIN. 661 Dr Hodgkin's Cooking Apparatus. 662 A Patent Safety Pedestal Stove. Deposited by the Patentees, NETTLETON and SON, Sioane square. 663 Packet's Gas Oven for baking Bread, &c., &c. 664 A Calorifere Gas Stove for warming Halls, Shops, Chapels, and other Places, without any Chimney. 665 A Gas Roasting and Boiling Apparatus. 666 A Biluted-Gas Cooking Apparatus ; also used for economically warming Bookbinders' Tools. This Apparatus requires only a small stream of Coal Gas to produce an intense heat, which may be increased or decreased at pleasure. It is worked without any Chimney, and emits neither dust, smoke, nor noxious vapours. 667 A Diluted- Gas Cooking Apparatus, for Stewing, Boiling, Steaming, and Baking. THE GREAT HALL^ LEFT HAND. 668 An Improved Bee-hive. Deposited by Mr NUTT. 669 A Cottage Bee-hive. Deposited by Mr NUTT. 669'^'A Specimxcn of the Patent Mortimer "Wood Pavement. 670 An Improved Velocipede. Deposited by Mr MASSEY. 671 Specimens of Wire Rope. Manufactured and deposited by Messrs HEIMANN and KUPER. 672 and 673 Model of a Double-Truss Girder, without Iron-work ; and Method of preventing the Deflection of Timber. Deposited by E. GARDNER, 674 An Improved Window-Sash Frame. Deposited by Mr PARKES. 675 Thompson's Patent Alarm Lock. 676 A Model of a Fire Escape. Invented by Mr WILSON. 677 Model of Davies's Fire Escape. 678 Specimen of Benson, Logan^ and Co.'s Patent Metallic Cement. 679 A Model of Wi veil's Fire Escape. Deposited by Mr WIVELL. 44 680 Eight Specimens of Lawrence's Zinc-drawn Rain Pipe and Tubing. 681 An Improved Window-Sash Frame. Deposited by Mr PARKES. 682 Fire Escape. Deposited by Mr W. A. GRAHAM. This machine has a librating and revolving motion, about vertical and hori- zontal axes, by which the assistants are enabled to present the chair at any window of the house, and to carry the person to be saved beyond the reach of the flames in the descent. The principles of its action are equilibrium and parallelism. As the assistants are intended to act as counterpoises, by keeping a perpendicular pull upon the hand-ropes, their number may be diminished by attaching any weighty substance that may happen to be at hand, to the hook on the lower lever. The strain on the long shaft is relieved by the stay-rope, and the guide-ropes of the parallel motion keep the chair in such a position that it may be entered without the slightest danger of its overturning. 683 Specimen of Plaster or Cement on Wood for Pre- venting Fire in Buildings. Manufactured by the FIRE- PREVENTIVE CEMENT COMPANY, Upper Ground street, Blackfriars bridge, London. The fire-preventive Plaster is intended as a substitute for the common lime plaster, which, by the power of its composition, effectually adheres to wood so as completely to shield it from the agency of fire. A brief survey of the cause of the destruction of premises by fire will show how easily and securely, by the adoption of a composition like this, houses, and all description of timber framing, may be guarded from this dangerous enemy. The specimen is a model of a ceiling (parts I and 2 being painted, and number 3 the natural colour of the fire-plaster), the reverse side of which presents the joists (covered with the fire-plaster) ready to receive the flooring of the next chamber, and between their interstices the laths upon which the fire-preventive cement or plaster forming the fire-proof ceiling is attached. The divisions have difi'erent appearances. A. The laths of the ceiling here are visible, and fire falling upon them from above would destroy them. B. The keys of the plastering (as they are technically called) are turned^ or smoothed down, so as to encase the laths. C. This division in the building phrase, is "pugged," i. e. fillets of wood are attached to the joists, upon which clay is closely packed ; the effect of which is, that the floor is rendered solid and unshakeable, and all communication of sound cut off. The fillets of wood, however, in this case are covered to the depth of an inch with the fire- preventing plaster, which not only deadens the sound, but affords a greater protection to the joists. The same Model turned on edge will afford the representation of a partition. 684 Hick's Machine for riveting Leather Bands. 685 An Improved Holdfast, for Chairmakers and Carvers. Deposited by Mr G. W. LOCK. 685*Jacob's Patent Iron Heater. 686 Design for a Railing round the Monument to Lord IMelson. Designed and deposited by Captain SxMITH, R.N. 45 687 A Great Gun Lock, fitted with a Lever on the prin- ciple applied to Congreve Rockets. By Captain G. Smith, R.N. 687^^ An Improved Tea Kettle. 688 Model of Ship's Gun. 688*Rodway's Patent Concave Horse Shoes, Deposited by the Patentee. 689 An Improved Baker's Rasp. Invented and deposited by Colonel COLSTON. 690 and 691 Two Models of a Hot-air Furnace Feeder. By SchaufFelens. Deposited by Mr FLORENCE. The advantages resulting from the invention (made in 1828) at the iron- works on the Clyde, of feeding high furnaces with hot air (which has since been applied to most of the iron-works in every part of the kingdom) first gave rise to the present discovery ; by which the method of feeding fires, hitherto confined to blast-furnaces only, is now extended to all kinds of enclosed fire-places, without the aid of mechanical power, which, in every previous instance, had been indispensable. The Hot-air Furnace Feeder is simple and inexpensive in its construction. It is not subject to damage or derangement, and its application will not, in most cases, require stoppage of the works. It may be adapted to almost every arrangement of the chimney or furnace, even when the flues of the latter are carried, as in some instances, to a considerable distance underground. It is applicable to the boiler-fires of Steam-engines, the Furnaces of Breweries, Distilleries, Water-works, Gas- works, Glass-houses, Potteries, Brick-kilns, Bleach-works, Dye-works, and, generally to every kind of enclosed fire-place. During the last three years many of these furnaces have been erected at various places on the Continent, where they are now in full operation, and have eftected a saving of fuel, V which, varying from 20 to 22 per cent., has never fallen below the former. 692 Model of a Budgerow. Deposited by Dr JACKSON. 693 Model of a Mogul Procession. Deposited by Mr COLMAN. • 694 Cast of a Bust from the Antique. GLASS CASE (marked 0). 695 Yates's Fire Escape. 696 Patent Composition Metal Pipe, and Metallic String, for Horticultural Purposes. Deposited by Mr J. WALBY. 697 Model of a Park-gate Lodge, near Cirencester. Deposited by Mr R S. CRAWLEY. ^ 698 Model of Thompson's Wrought-iron Boiler. 699 Model of a Plan for extinguishing Fire in Chimneys. 46 700 Model of an Improved Cowl for curing Smoky Chimneys. Deposited by Mr WHITESIDES. 701 A Model for a Park-gate Lodge. 702 Model for a Cottage Ornee. By Mr Truefit. 703 Model of a Cottage Ornee. By Mr Carter. 704 Brockeden's Patent Caoutchouc Stoppers. 705 Ede's Portable Chemical Laboratory, containing Ninety Tests, Re-agents, Blow Pipe, &c. &c. Deposited by Mr EDE, Bishopsgate street Within. 706 Specimen of an Improved Wig. By Mr Prevo. The improvement consists in its possessing permanent adhesion, without pressure or obstruction of the circulation of the blood in the temporal or auri- cular arteries, which are left free. 707 An Apparatus for the Rectification of Lateral Curva- ture of the Spine. By E. W. DufRn, Esq., Surgeon, Langham place. 708 A Solitaire, or Portable Tea and Coffee Pot. 709 Improved Wine, Water, and Butter Coolers. Deposited by MAY and MORRIT, Oxford street. 710 Ancient Clock. 711 Raper's Patent Waterproof Cloth. 712 Parker's Coffee Pot. 713 An Improved Fire Alarum. By Mr Ramsey. 714 Webster's Improved Steel Music Wire. 715 A Machine for sweeping Roads. 716 Dr Spurgin's Self-supporting Chain Bridge. 717 Model of a Safety Railroad. Deposited by Dr SPURGIN. 718 Downer's Improved Letter Box. 719 Four Models of Davis's Patent Stereo-prism Wood Pavement. Deposited by the Patentee. 719*Specimen of Rankin's Patent Wood Pavement. 720 Marble Figure— Ceres. Deposited for sale. 721 Scagliola Pillar. By Mr Skelton. 722 South American Lasso. Deposited by J. LOGAN, Esq. 47 723 Sheet of Ivory, of extraordinary size, cut by Pape's Patent Machine. 724 and 725 Two Models for the Nelson Monument. By Mr R. Day. 726 Model of an Invalid Chair. Deposited by Mr MARKS, Mortimer street. 727 Model of a State Carriage built for .John VI, late King of Portugal. Deposited by Mr WOOL, Coachbuilder, No. 38 Margaret street, Cavendish square. 728 Model of a Sociable. Deposited by Mr WOOL, 729 Model of an Elizabethan Cottage. 730 Stereotomy of the Cube into Sections, applicable to the Shape and Combinations of all Materials appro- priated to Building, Paving, &C. Invented and presented by Count de LISLE. 731 An Ivory Model of the L'Avengeur, a French first-rate ship. ' Deposited by Mr J. S. DOWNE. 732 Specimens of Embossed Glass. Deposited by Mr HUDSON, 74 Red Lion steeet, Clerkenwell. 733 A Design for a Church. By Mr Harbour. 734 Model of St George's Chapel, Windsor, Deposited (for sale) by Mr ANDREWS. 735 Jeffrey's Patent Respirator. 736 Agricultural Model in Wax. 737 Model of a Harp. By Mr Bladzell. 738 Specimens of Mechanical Sculpture, Produced by striking rapidly a Cast-iron Mould on the surface of the Marble. Deposited by Mr E. B. WOODCOCK. 739 and 740 Portraits of her Majesty the Queen and his Royal Highness Prince Albert. Engraved by Thomson, after Drawings by A. Wivell. 741 Drawing of Locomotive Engine. By Mr W. Phillips. 742 Drawings of Patent Self-acting Signal Apparatus, to be used on Railways for preventing Collisions be- tween successive Trains, Invented and deposited by G. B, CURTIS, Esq. 743 Model of a Wheel with Elastic Spokes. Presented by Mr A. SHANKS. 48 744 Scagliola Pillar. By Mr Skelton. 745 A Marble Bust — Pylades. Deposited for sale. 746 Bird's-eye View of Port Nicholson, in New Zealand, Deposited by Mr MOON, Threadneedle street, 747 A Burmese Lacquered Bowl. 748 A Model of the Bucentaure, the State Galley of the Doge of Venice. Deposited by Mr COLMAN. 749 A Burmese Lacquered Bowl. GLASS CASE (marked P). 750 to 790 A Series of Objects illustrating the Manufacture of Caoutchouc, or India Rubber ; with Specimens of the Raw Vegetable Gum, in various forms as it is imported ; and likewise numerous articles manufac- tured from it, from the ropes for the breeching of a Ship's Guns, to the silk-like fabric of a Lady's Dress. Presented by R. W. SIEVIER, Esq. F.R.S. 791 Specimens of Patent Wire Rope. Presented by R. W. SIEVIER, Esq. F.R.S. 792 Specimens of Patent Felted Cloth. 793 Model of a Field Piece, made from two cannons taken at Nepaul. Deposited by F. A, TREGEAR, Esq. 794 Saddle Flaps from Arracan. 795 An Apparatus for Cooking. 796 A Patent Enamel-lined Saucepan. Deposited by S, GALE and Co., 320 Oxford street. 797 Model of a Paddle Wheel. 798 Specimen of Page's new Method of Lettering Marble. 799 Fair's Patent Ventilator. 800 Bramah and Dickson's Rotatory Engine. Deposited by Messrs WATKINS and HILL. This consists of a cylinder having an inner cylinder, whose axis is eccentric to the outer one, and which is furnished with four blades or pistons w^orking freely through it. The steam acts on the outer edges of the blades and drives them round, thus producing rotatory motion. 801 Model of a Force Pump. 49 802 Pair of Siam Buffalo Horns. Presented by S. W, GRIF- FIN, Esq. 803 Model of Cowelf's Patent Sash Suspender. 804 Model of a Marine Steam Engine and Boiler, 805 An Improved Blower. 806 Model of a Patent Cooking Apparatus. Deposited by Mr FROST, Woodstock street. 807 Model of a Locomotive Engine and Boiler. Deposited by the Hon. FULKE GREVILLE. 808 A Tin Case of Preserved Mutton. This Case was landed from the Fury, August, 1825, in lat. 72 deg, 47 min., and long. 91 deg. 50 min. ; and taken from thence, July, 1833, by Captain Sir John Ross, R.N. 809 Model of a Double Cylinder High-pressure Steam Engine. Deposited by the Hon. FULKE GREVILLE. 810 Model of a Screw Cutting Machine. Deposited by Lieut. GREEN. 811 Specimens of Wildey and Co.'s Cocoa-nut Fibre, in Matting, &c. 812 Scagliola Pillar. By Mr Skelton. 813 Marble Bust of the late Richard Paul Jodrell, Esq. By R. W. Sievier, Esq. 814 Cast of Bust from the Antique. 815 A Pair of Esquimaux Snow Shoes. GLASS CASE (marked Q). 816 to 820 Painted Screens in Imitation of Japanned Work, Deposited by Mr STAIGHT. 821 to 830 A Collection of Shells from Ceylon. Deposited by Mrs CANTOR. 831 to 834 Specimens of Papier Machee. Deposited on Account of the Birmingham Mechanics' Institution, by Mr ROBIN- SON. 835 Clarke's Patent Blower and Fumigator. 836 Paper Fruit Basket, Clay's manufacture. Deposited by SMALL and SON. 837 Specimens of Papier Machee. D 50 838 to 844 Specimens illustrating the Manufacture of Cork- screws. . 845 to 850 Specimens of Needles and Fish-hook Manu- facture. 851 to 862 Specimens illustrating the Manufacture of Plated Candlesticks. Deposited on Account of the Birmingham Me- chanics' Institution, by Mr ROBINSON. 863 to 874 Specimens of Wire and Woven Wire. 875 and 876 Benham's Hot-water Plates. 877 Specimen of Pearl Button Manufacture, 878 Series illustrating the Manufacture of Hats. Deposited by Mr PRITCHARD, 239 Regent street. 879 Various Drawings of Davies's Carriages. 880 Marble Figure — Cupid reclining. Deposited for sale. 881 A Painting of the Holy Family. Deposited by P. NOR- TON, Esq. 882 Patent Self-rolling Mangle. Deposited by Messrs BAR- NARD and JOY. 883 Whitley's Model of the Thames Tunnel. 884 Model of the Stern of a Vessel, showing two methods of fitting Propellers instead of Paddle Wheels. By Capt. GEORGE SMITH, R.N. 885 Model of a Marquee. Deposited by Mr B. EDGINTON. 88^ Brassington's Patent Hydraulic Water Ram. 887 A Sectional Model of the Rum Sheds in the West India Dock, with the Swing Crane on the Quay. Deposited by Mr F. H. YATES. 888 Model of a Rick Cloth. Deposited by Mr B. EDGINTON. 889 Model of a Steam Vessel with Captain Carpenter's Pa- tent Propellers. 890 Strutt's Brick Tally for Shrubs and Plants. 891 A New Zealand Carved Box. 892 Specimens of Carving m the Elizabethan Style. By Mr Wingfield. 893 A Bamboo Seat. 51 894 A Chair found in an Indian Tomb. Deposited by — TURNER, Esq. 895 Wivell's Fire Escape. Deposited by Mr WIVELL. 896 Specimen of Harford's Chain Cable Iron, tied cold. Deposited by Mr MANBY. 897 A New Fire Alarum. 898 Scagliola Pedestal. By Mr Skelton. 899^^ Skull sculptured in Marble. Deposited by R. W, SIEVIER, Esq. 900 Model of WivelFs Fire Escape. 901 Stags' Horns from the Ohio. Deposited by Mr WILKINSON. 902 Bust of Ajax. 903 A very perfect Hornets' Nest, GLASS CASE (MAnKEi^B), 904 Handcock's Upright Castor. Deposited by Mr J, G. HUGHES, 158 Strand. This Castor, so long and anxiously required, embraces many advantages. The rollers inside revolve on a fixed axle ; which axle, being a circular ring running through the centre of each roller, assists the motion of the ball, which no weight can prevent acting freely. This was fully proved at the Woolwich Dock-yard, when tried, to the satisfaction of the Lords of the Admiralty, under the beam of a steam engine, one ton and a half weight. Obeying instantly, in a direct line, the impetus given to it, is not the least of its many advantages ; and the glass ball, being a non-conductor, the tone of pianofortes is materially improved by its application, 905 Huxley's Castors. 906 Model of an Iron Portable Flour Mill, used by Buona- parte in the first Russian Campaign. Deposited by Messrs COTTAM and HALLEN. 907 Apparatus for giving Notice when a House takes Fire. 908 Model, in Card Board, of a Steam Engine. By the Hon. Edmund Petre. 909 Paradise's Improved Door Plates. 910 Weedon's Stomach Pump. 911 An Improved Binnacle Lantern. 912 Improved Ships' Scuttles. Deposited by CHADBURN and Co., Sheffield. 52 913 Case containing fifteen Scalpels, sixteen Instruments for Insect and Botanical Dissections, five Pairs of Scissors, and eight Pairs of Forceps, of diff^erent kinds. Deposited by T. WEEDON. 914 to 920 Impression of a Doubloon corroded to a loaded Pistol ; a Copper Pot ; a Piece of Chain ; and a variety of articles recovered from the Royal George, fifty-three years after she foundered. 921 Part of a Quadrant, recovered from the Wreck of the Pomona Frigate, lost on the Needles, Isle of Wight. 922 Piece of the Boyne, burnt at Spithead. 923 Piece of the Timber of the Mary Rose, sunk at Spit- head 295 years ago. Deposited by the Hon. FULKE GREVILLE. 924 A Mass of corroded Copper Coin, and Bars of Copper, from the wreck of the Abergavenny. Deposited by Mr C. A. DEANE. 925 Parts of the ' Venerable ' Ship of War, lost in Torbay in 1823, showing the operation of the Teredo Navalis, Deposited by Mr J. HEGGERTY. 926 A Turkish Yataghan, brought up from the state cabin of the Admiral Pacha's Frigate Yacht, sunk at the Battle of Navarino. Deposited by M. R. SCOTT, Esq. 927 Part of the Cable of the Royal George. Deposited by the Hon. FULKE GREVILLE. 928 Model of a Double-screw Jack. Deposited by Mr A. SMITH. 929 Browne's Patent Level. 930 Illustrations of Gun Flint Making. 931 Percussion Rifle Shells, water and fire-proof. By Captain Norton. 932 Captain Norton's Percussion Lead, for exploding charges of gunpowder imder water. 933 A Percussion Hand Grenade. By Captain Norton. 934 Water-proof Percussion Primes. 935 Percussion Caps, having the orifice covered with tin- foil. 936 A Rifle Arrow. Deposited by Captain NORTON. Fig 2 Fu/.l. /ie/ire,s'enis tJif exlfrnal a/i/tea/mn-c of the 1/iPali/i Carr/m/e. Fiff.2 /s a se<:M€n ,yh^wim/ t/u si^.S'/iMuleil Cof ojui smJ's fcri^o aMcm/anis. TTi-e hack /ui^'t of fAe Cmrui^e i,? so corLstr'a.etedy as to fall d/mn to aUow the C ot to hp wUhdratvn . and to he re/dm-ed' wWi the Im^alM u/ion it. 3y inge./Uous coTitf'ivanc^s alt rn^tiori h avoided; so th^f a Jotirneyrnm/ be /isrfomwd by tJie most dA'l-i^ate JrwaUd. wU/wid any rrw/'e fatiyue tfian woald be ex/ieri^encsd in lyiny u/wfh a sofa The Invalid bed C^irr/^ye may he enyayed for any Journey, ami firther /larticuylarS' obtyolned of the fro/7 ri^ti>r.s'. From no ]:/,v/7r''h-pf' l7,Uy f>\ ^ /'--///////./.'//;/////, /- //Vm v//7;'/i •/'''■//!?? r ji/s/f '7 '/?' 53 937 Rifle Cartridges for tlie new two-grooved Rifle. Invented and deposited by Ensign A. R. MARGARY, 26th Regt. 938 Eley's Patent Wire Cartridges, for Shooting at long Distances. Warehouse, 36 St James's street, London. These Cartridges are composed of a cage of wire, inclosed in a thin paper case, with a wadding attached, fitting the bore of the gun. The shot are placed within the wire, and the principle of their action is extremely simple. On leaving the gun, the paper is torn in pieces, and the shot immediately begin to quit the cases, passing through the meshes of the wire net. In the last Edi- tion of 'Instruction to Sportsmen,' Colonel Hawker says, " They are now worth their weight in gold." Captain Ross, one of the most experienced shots in Europe, in a letter to the Patentee, declares them to be " the greatest im- provement in gunnery introduced for many years." 939 A Quadrant with Improved Shades. Deposited by Mr HUNT. 940 Four Specimens of Patent Wire Rope. 941 Carter's Safety Gas Valve. 942 Black Marble Pedestal, late the property of Murat. Deposited by C. MURRELL, Esq. 943 Marble Bust of Lord Brougham. Deposited by R. W. SIEVIER, Esq. 944 Scagliola Pillar. By Mr Skelton. 945 A Plaster Bust of Lord John Russell. Deposited by Mr HOLLINS. 946 The DIVING BELL. Constructed by COTTAM and HALLEN. To illustrate the principle of this machine, take a glass tumbler, plunge it into water with the mouth downwards ; you will find that very little water will Hse into the tumbler ; which will be evident if you lay a piece of cork upon the surface of the water and put the tumbler over it : for you will see, that though the cork should be carried far below the surface, yet that its upper side is not wetted, the air which was in the tumbler having prevented the entrance < of the water ; but as the air is compressible, it cannot, when condensed, en- tirely exclude the fluid. The first diving bell of any note was made by Dr Halley, and is most com- monly seen in the form of a truncated cone, the smallest end being closed, and the larger one open. It is weighted with lead, and so suspended that it may sink full of air, with its open base downwards, and as near as may be parallel to the horizon, so as to be close with the surface of the water. Mr Smeaton's diving bell was a square chest of cast-iron, four feet and a half in height, four feet and a half in length, and three feet wide, and affording room for two men to work in it. It was supplied with fresh air by a forcing pump. This was used with great success at Ramsgate. Other contrivances have been used for diving bells. The first diving bell we read of in Europe was tried at Cadiz, by two 54 Greeks, in the presence of Charles V, and ten thousand spectators. It re- sembled a large kettle inverted. The first person who brought the diving bell into vogue with us was Phipps, an American blacksmith, in the reign of Charles II, and who, from the fortune he acquired from a Spanish ship, to which he went down, laid the foundations of the honours of the Mulgrave family. The diving bell in the Great Hall is composed of cast-iron, open at the bottom, with seats around, and is of the weight of three tons ; the interior, for the divers, is lighted by openings in the crown, of thick plate glass, which are firmly secured by brass frames, screwed to the bell ; it is suspended by a massive chain to a large swing crane, with a powerful crab, the windlass of which is grooved spirally, and the chain passes four times over it into a well l)eneath, to which chain is suspended the compensation weights ; and it is so accurately arranged, that the weight of the bell is, at all depths, counterpoised by the weights acting upon the spiral shaft ; the bell is supplied with air from two powerful air pumps, of eight-inch cylinder, conveyed by the leather hose to any depth. The bell is put into action several times daily ; and visitors may safely descend a considerable depth into the tank, which, with the canals, hold nearly ten thousand gallons of water, and which can, if required, be emptied in less than one minute. 947 Deane's Water-tight Diving Dress and Helmet, with flexible Tubes, and Air-tight Belt, &c., &c. 948 Edward's Patent Stable Corn Metre. 949 Read's Improved Garden Engine. 950 and 951 A Grass Hammock ; and a Cloak from the Fibre of the Aloe. 952 A Bushman's Spear. Deposited by Sir G. CAYLEY, Bart. 953 Crooks used by the Monks on Mount St Bernard. Deposited by the Rev. W. HUTCHING. 954 Full-length Marble Figure — Ceres. Deposited by M. ALMOSNINO. 955 A Black Marble Pedestal, late the property of Murat. Deposited by C. MURRELL, Esq. 956 Drawing (on pier) of Marks's Invalid Carriage. Deposited by Mr MARKS, Langham place. 957 A Plaster Bust. 958 Head carved in Bone, from Van Diemen's Land. Deposited by Mr COOZE. GLASS CASE (marked S). 959 to 968 Four Tigers' Skulls, two Wild Boars' ditto, and an Alligator's ditto. Deposited by Dr JACKSON. 55 969 Windpipe of the Whooper or Wild Swan. Presented by Sir GEORGE CAYLEY, Bart. 970 Jaws of the Bottle-nose Shark. Deposited by Mrs SKINNER. 97 1 Skull of a Porpoise. Deposited by Mrs FRANKINET. 972 Skull of a Walrus (Male). 973 Skull of a White Fox from the Arctic Regions. Deposited by W. MOGG, Esq. 974 Skull of the Alpaca, or Peruvian Sheep. Deposited by W. WALTON, Esq. 975 A Cast from the Skull of the late Alexander Pope. 976 to 986 Specimens of a complete Mummy of a Female supposed to have been the wife of a Priest, in the Reign of one of the Pharaohs, 1800 years b.c. Exhibiting in detail the first or most approved method of embalming among the ancient Egyptians, as ascertained and described by Dr Granville in his Essay on Egyptian Mummies, seen in the ' Transactions of the Royal Society,' in 1825. Illustrated by specimens of primitive Mummies of recent subjects made by Dr Granville in 1825, to exemplify the successive steps in the process of Egyptian mummification. An Ancient Mummy and Arm presented to Dr Granville by Sir W. Horton, when Under Secretary of State for the Home Department. It was sent home by the English Consul from the coast of Africa. It is placed as a contrast of the rare as well as of two very difi'erent modes of embalming among the ancient Africans, the latter being evidently greatly inferior. Several specimens of muscles, fibres, and of internal organs, one of which is the most ancient in existence of diseased uterus — a dissected pelvis, to show the beautiful symmetry of that part of the Egyptian female, on which depends the peculiarity of the race. Several specimens of stuif of which the bandages are formed. 987 Specimen of Aberdeen Polished Granite. Deposited by Messrs MACDONALD and LESLIE, Aberdeen. Agent, Mr Louis Baronto, 363 Oxford street, and 69 Strand. 988 Marble Bust— Vestal. Deposited by M. ALMOSNINO. 989 A Drawing representing the Royal George under water, the frame surrounded with several of the articles brought up. The small anchor was made from iron recovered from the wreck. 990 PORTRAIT OF THE QUEEN. Deposited by Messrs HODGSON and GRAVES, Printsellers to the Royal Family.^ This is an engraving, executed in the first style of mezzotinto by Mr Ryall, of the authentic State Portrait of THE QUEEN, in the Imperial Dalmatic 56 robes, seated on the throne in Westminster Abbey, painted by G. Hayter, Esq. M.R.S.L. (her Majesty's Historical and Portrait Painter), for Buckingham Palace, by command of her Majesty. This whole-length Portrait of the Queen in her Coronation Robes is allowed to be the most correct and perfect portrait of her Majesty ever painted. 991 and 992 Specimens of Palmer's Patent Electrotint. Deposited by E. PALMER, Newgate street. 993 Patent Sounding Machine. Deposited by Messrs BRAITH- WAITE, MILNER, and Co. 994 Ballot Box. Invented by B. JOLLY. Which can be arranged for the election of any less number of persons than the number of holes, and in which the balloting balls register themselves when admitted, by the key at the back of the Box being turned by the returning officer or person appointed, who is prevented from seeing for whom the person votes by a screen. The same balls are used by each voter. 995 A Patent Soho Candlestick. Deposited by LEE STEVENS, Esq. 996 A series of Pieces of Lead, and other Metals, showing the different stages in Delbruck's Patent Autogenous « Soldering Process. Deposited by Mr DELBRUCK, 311 Oxford street. 997 Cowvan's Canton Razor Strops ; remarkable for pro- ducing an exquisitely keen edge to Razors, Pen- knives, &c. 998 A Model of a Cotton Press and Hydraulic Pumps. Deposited by Messrs COTTAM and HALLEN. 998*A Model of Porter's Patent Anchor. Deposited by the Patentee. 999 Beautiful Model of a Locomotive Engine and Tender. Deposited by H. CONWAY, Esq. 1000 A Sectional Model of a Ship. By Mr Hunt, of Ply- mouth. Deposited by Captain CODRINGTON, R.N. 1001 Patent Shadowless Self-regulating Lamp. Deposited by , Mr T. EDGE, Westminster. 1001*Swedish Porphyry Bearing Blocks. 1002 A Safety Screw-plug Bull's Eye, to give light to a Ship from her sides below water. Invented by Mr LAING. 1003 Model of Spinal-adjusting Sitting Crutches. Deposited by Mr SPARKS. 1004 Benham's Patent Portable Freezing Apparatus. 57 1005 Iron Hoop taken from the Bowsprit of the Royal George. 1006 The first Dead-eye brought up from the wreck of the Royal George. Presented by Major-General PASLEY. 1007 Model of Mr Gillivray's plan to supersede the use of Climbing Boys. 1008 Bust from the Antique. 1009 Bust of the late Mr Nash. Deposited by W. BEHNES, Esq. GLASS CASE (marked T). 1010 Model of a Fire Escape. Deposited by Mr GILFOY. 1011 Model of an Improved Excavating Cart for Common Roads. Deposited by Mr W. PALMER. 1012 and 1013 Two Models of an Improved Rudder. Dg- posited by W. PARSONS, Esq. 1014 Roberts's Miner's Safety Lamp. 1015 Model of a Plan for raising Sunken Vessels. 1016 Specimens of Wood prepared by Kyan's Process, after being buried in a Fungus Pit. Deposited by Mr THOMPSON. 1017 Model of Burgess's Patent Axle. Deposited by Mr WIL- LIAMS. 1018 A Universal Dial, on a Plain Cross ; an Anelemmatic Dial, which sets itself ; a Cylinder ditto ; and a Uni- versal ditto. Deposited by Mr ALDERSLEY. 1019 Brand reth's Patent Horse-power. Deposited bv Messrs COTTAM and HALLEN. 1020 Model of a Lift Pump. Deposited by Mr MAUDLING. 1021 Two Models of Brass Mortars, and various sized Shells. , Deposited by Mr REILLY, Gun Maker, Holborn. 1022 Electrical Coil and Battery. Deposited (for sale) bv C. W. COLLINS. 1023 Model of the Brig Anonyma, built to scale. Pre- sented by the Hon. R. FULKE GREVILLE. 1024 Model of a Steam Engine and Boiler. Deposited by Mr HAINES. 1025 A Model of the Albert Steamer, one of the Niger Expedition Vessels, fitted with Capt. G. Smith's, R.N. Paddle-box Safety Boat. Deposited by Mrs TROTTER. 58 1026 Model of an Esquimaux Canoe. Deposited by W. MOGG Esq. 1027 A Model of the Brig Yacht Wanderer. By the Hon. R. FULKE GREVILLE. 1028 Working Model of the Archimedes Steam Boat. Deposited by Mr SEWELL. 1029 Model of a Cutter Yacht. Deposited by E. GARDNER. 1030 Model of Stevens's Double Ordnance for carrying away the Masts of a Ship at one Fire. Deposited by J. STEVENS, Esq. 1031 Portable Punching Press. Deposited by Lieut. GREEN. 1032 A Model of a Circular Stern, for a Ship. Deposited by Mr BONNIWELL. 1033 A Model of Graham's Cone, for projecting a line over a House when on Fire. 1034 Model of a Wind Guard and Lightning Conductor. Deposited by Mr F. H. YATES. 1035 A Model of a Tinman's Raising Press. Deposited by Mr F. H. YATES. 1036 A Model of a Circular Sawing Machine. Deposited by Mr BRACKENBURY. 1037 A Model of a We{ither-tight Fastening, and Cill-bar. Deposited by ANDREW SMITH. 1038 A Model of a Field Gun, formerly belonging to the Duke of York. Deposited by Mr NICHOLAY. 1039 Model of a Fire Escape. By Mr Garner. 1040 Robson's Signal Lights. 1041 Method of re-shipping a Rudder in a heavy Sea. By Martyn Roberts, Esq., F.R.S. 1042 An Improved Elastic Saddle. By Mr Blyth, 4 Park lane. 1043 Specimen of Woolf s Creta Lsevis. 1044 Flexible Voice Conductor, used as a Carriage Check- string. Deposited by Mr M. M. CARSON. 1045 Pott's Patent Picture-rail Moulding. Deposited by Mr NOTTINGHAM, King William street, Strand. The apparatus in this and the contiguous compartments are specimens of the new and improved method of hanging pictures on walls, patented by Mr Potts. The rail is fixed directly beneath the cornice, forming an ornamental moulding either as a substitute for a gilt moulding, or to be adapted as the bottom mem- 59 ber of the cornice, and is applicable to any style of decoration. Its enormous strength is proved by the immense weight attached to one length of it. The pendent rod and cross-bar show the method of hanging and inclining a picture to any angle at pleasure, to suit a varying or particular light, and also the facility of hanging small or cabinet paintings. The whole is fixed up without brackets, allowing the hooks to traverse to any part of the room, and pre- serving a continuous line of moulding. 1046 Rubens and Ins Family, by himself. Deposited by J. ROGERS, Esq. 1047 Crosley's Improved Rain Gauge. Deposited by Messrs WATKINS and HILL, Charing cross. 1048 A Model of Hall's Patent Stove. 1049 and 1050 Plato w's Patent Automaton Coffee Urns. 1051 to 1063 A Model of a Steam Boat, with Life Boat, and various other Improvements, by Captain George Smith, R.N. viz. — (A) The Lever Target, for teaching seamen to fire with correctness, without expending powder or shot in practice ; adopted in the Navy, 1826. ( B) A Floating Target for firing Shot at, as seen in the accompanying drawing. ( C) A Spare Anchor, made for the convenience of stowage, and for sending off to ships in distress. (D) A Temporary Rudder, fitted with chain rings, instead of Pakenham's plan, with a lower cap, which is very cumbrous, and impedes the ship's way, (E) A Lower Mast, fished with iron fishes and chain hoops, tightened by wedges or screws, proposed to secure a mast from falling on its being wounded in action, or sprung. (F) Paddle Wheels, fitted with grooved and cogged wheels, for the application of manual labour, at the capstan and winches, in case of accident to the engine, or to be used before the steam is up. The novelty consists in combining the power of capstans with winches. (G) A Break, formed of four bolts, to lock the paddle wheels (when required to secure them), to connect or disconnect the engine, to ship or unship the floats, &c. (H) A Fog Alarum for steam vessels : the model represents a gong or bell struck by machinery, instead of employing a man constantly for that purpose during the fog. (I) Method of Dismounting Guns. (A 32-pr., weighing 56 cwt., was fired and dis- mounted in fifty-five seconds on board H.M. S. Excellent.) (J) Method of giving Additional Depression to Great Guns, when required to fire close alongside, or when the ship is heeling over in a breeze. (K) Suggestion for an improvement to Great Gun Sights: and a mode of fitting a Shifting-bolt to Carronades, for the purpose of keeping the slide and carriage square with each other, to prevent them from upsetting, (L) A Life Boat, formed of the uper section of the paddle box ; the ends are made with two air-tight cases or tanks ; the model is intended to show the practicability of every steam vessel carrying two large boats, for the purpose of saving the lives of the passengers and crew, in the event of the vessel being burnt, wrecked, or sunk by collision, &c.. Sec The model is fitted to show an easy method of getting the boats into the water when re- quired. This plan has been adopted and fitted to her Majesty's Steam Vessels Carron and Firefly, to the Pacific Company's Vessels Chili and Peru, to the Vessels of the Royal Mail Company, and several others. 1064 Working Model of a Locomotive Engine. Deposited by Mr PETERSON. 1065 Specimens of Improved Hinges and Door Fastenings Deposited by S. GALE and Co., Ironmongers, Oxford street. 60 1066 A Patent Axle. Deposited by Mr HEARNE. 1067 A Model of a new Method of paving Roads with Wood. 1067 ^'Specimens of Swedish Porphyry, in Bearing Blocks. 1068 Pratt's Patent Compendium. 1069 An Engraving of the Triumphal Entry of his Grace the Duke of Wellington into Madrid, August 12, 1812. From the celebrated Picture by the late W. Hilton, Esq., R.A. Deposited by Mrs PARKES, 22 Golden square. In the history of the Duke of Wellington's campaigns, it is recorded that the Spanish ladies, upon the occasion of his Grace's entry into Madrid, threw before his horse shawls and veils of exquisite v/orkmanship and of the finest texture. The entrance of Lord Wellington into Madrid was grand in the extreme. His Lordship was attended by the flower of the British army, and by the Generals of the allied army. He was met by the Spanish nobility, the dignitaries of the church, the magistrates, and all the principal inhabitants, who presented him with the keys of the city. The splendour of Rubens pervades the painting, but blended with more exquisite female beauty than distinguishes the works of that justly-celebrated master. 1070 A Patent Elastic Saddle. Deposited by Mi* LAURIE, 296 Oxford street. 1071 Davy's India-rubber Horse Collar. 1072 Bust of a Lady. 1073 Bust of Demosthenes. GLASS CASE (marked U). 1074 to 1080 Fountain Jets. Deposited by Mr R. CUNDALE. 1081 A Brass Eagle and several Bullets, from the Field of Waterloo. 1082 to 1110 A Series of Figures, Utensils, and Models, illustrating the Customs of the Hindoos. Deposited by Mr COLMAN. 1111 Scagliola Pillar, by Mr Skelton. 1112 Marble Bust. Deposited by M. ALMOSNINO. 1113 A Black-lead Pencil Drawing. Deposited by WOLFE and SON. 1114 A Prophylactic Horse Collar. Deposited by Mr LAM- BERT, 107 Long acre; 61 1 1 15 A Portrait of Hogarth. Presented by W. M. NURSE, Esq, 1116 A Model of Mr Curtis's Acoustic Chair, designed not only for the use of Deaf Persons, but also for con- veying intelligence from one house to another. " The original is of the size of a large library chair, having a high back, to which are affixed two barrels, for sound, so constructed as not to appear un- sightly : at the extremity of each barrel is a perforated plate, which collects sound from all points into a paraboloid vase. By this contrivance, sound is concentrated and impressed more strongly upon the ear, by being confined to a small quantity of air. The convex end of the vase serves to reflect the voice, and to render it more distinct. Further, the air inclosed in the tube being excited by the voice, communicates its motion to the ear, which thus receives a more powerful impression. By means of sufficient tubes, this chair might be made to convey intelligence from St James's to the Houses of Lords and Commons; and even from London to Windsor." — Curtis on the Ear, 1117 Model of a Railway and Carriage, with Kendall's Disconnecting Apparatus for preventing Carriages running off the Rail. Deposited by Mr ROBERTSON. 1118 A Foot Warmer. Deposited by Mr SHAW, Mortimer street, 1119 A Salamander Footstool, for heating Carriages and Rooms. This apparatus is heated by means of a small Tea-urn Heater, and the heat is retained for a considerable length of time, by being surrounded by an iron case, containing Calais sand; an ornamental outer case covering the whole. Deposited by Mr CHARLES RICKETS, Agar street, Strand. 1120 Model, showing the Crank applied to the Universal Joint. Deposited by W. A. GRAHAM, Esq. 1121 Cottam's Dynamometer, or Plough Gauge. 1122 Higham's Enamelled Tablets for Sharpening Razors, &c. 1123 A Model of a Double-action Pump. Deposited by Mr GORE. 1124 Crockford's Improved Ball Valve for Water Tanks, Cisterns, &c. 1124=^ Model of Wood Pavement. Deposited by the Patentee, Count MELANO de CALCINA, 1125 A Lens. 1126 Model of a Stone Coffin and Coffin Case. Deposited by Mr JOHNSON, New road. 1127 An Illuminated Plate, for Coal Cellars. Deposited by Mr CHRISTY, Stangate Glass Works, Lambeth. 62 1128 Andrew Smith's Paddle Wheel. 1129 Charles's Improved Iron Plate for Cellars. 1130 Skull of an Elephant. 1131 Skull of a Hippopotamus. 1132 Joyce's Improved Horse Collars. 1133 A Chain Fire Escape. Inknted and deposited by Mr BAYLIS, 273 Strand. 1134 A Scagliola Pillar. By Mr Skelton. 1135 Marble Figure, from the Antique. Deposited by M. ALMOSNINO. 1136 Bust from the Antique. 1137 Two Alligators' Skulls. GLASS CASE (marked V). 1138 A Perspective Model; exhibiting the effects of Fore- shortening and Convergence. This Model shows the effect on the eye produced by the surface lying obliquely to the point of view. This effect arises from perpendicular, as well as horizontal surfaces. Invented by A. PARSEY, Professor of Perspective, No. 19 Warwick street, Regent street, 1139 A Perspectronometer. An instrument invented by- Mr Parsey, which defines the apparent reduction of lines, under any angle of inclination. 1140 A Model of Visual Geometry; showing the natural manner in which the Trapezoid is created by the eye, or what is really seen ; showing the distinction between the Optical and the Mathematical Sections of the Visual Rays. Invented by A. PARSEY. 1141 A Silver-banded Portfolio. Deposited by Mr DIXON, 1142 An Improved Wind Gauge. 1143 A Model of an Hydraulic Press. Deposited by Mr GRAFTON. 1144 Pair of Pruning Shears. Deposited by Mr DURHAM. 1145 A Machine for cutting Transverse Sections of Wood. Deposited by Mr NEEVES. 1146 BlackwelFs Curling Comb. 63 1147 A Beautiful Working Model of a Locomotive Engine, Deposited by RICHARD ALISON, Esq. 1148 Model of a North American Indian Canoe. Deposited by the Rev. S. ISAACSON. 1149 Model of a Baltimore Privateer on Shore. Carved out of Lias, by Capt. Burt, R.N. 1150 and 1151 Portable Case of Tools, and Improved Gim- blets. 1152 and 1153 Specimens of the Patent Shrapnell Cork- screw. Deposited by — SHRAPNELL, Esq. 1154 Platow's Patent Gas Moderator. 1155 and 1156 Models of Meggett's Patent Anchors. 1157 A Model of a Carriage, to be propelled by Electro- Magnetism. Deposited by Mr LYNN. 1158 Model of Dredgers Patent Suspension Bridge. 1159 An Apparatus for purifying Gases. Deposited by Mr PORTER. 1160 The Polykanon, or Draughtsman's Compensating Rule. 1161 Specimens of Waterproof Cloth and Silk. 1162 Hemming's Patent Protector Gas Meter. 1163 Heinke's (Dr Arnott's) Stove. Deposited by Mr F, HEINKE, 103 Great Portland street. 1164 Patent Section Tappet. Deposited by Mr B. WOOD- CROFTS. 1165 A Marble Group — Hoemon and Antigone. Deposited (for sale) by M. ALMOSNINO. 1166 A Patent Railway Wheel, with Wood-faced Tyre. Deposited by BROCKELBANK, DIRCKS, and Co., Liverpool. 1167 A Fog Alarum for Steam Vessels, for Preventing Col- lisions at Sea. Deposited by Captain G. SMITH, R.N. 1168 Buckets w^orked by an Alternating Movement for raising Water, ^t the same time obviating the Effect of the Weight of the Column, being a Model of the Apparatus employed on board H. M. S. Ocean, which proved more effective than the Chain Pump by upwards of one-third. Deposited by Dr SPURGIN. 64 1169 A Plaster Cast, to imitate Marble: — Female Figure. 1170 A Librating Shifting-power Double-barrel Pump. Invented and deposited by Dr SPURGIN. 1 1 7 1 A Velocipede. Deposited by Mr JACKSON, Tottenham. 1172 Model of a Bridge, upon the Patent Tension Principle. Deposited by J. WHITE, Esq., Architect. The substance of the tension bearers, which are represented in white deal, is, in execution, intended to be of wrought iron of the best quality, the blocks to be of cast iron, the keys or wedges of prepared iron. The base maybe pile heads, or natural rock, and should it be requisite to continue the same system on account of the badness of the soil, any length of bearers may be adopted until a perfectly sound resistance and support are obtained. The principle admits of application to railways, where, if employed, the substance of the rails may, according to the quality of the iron, be diminished to one-fifth, one-sixth, one- eighth, or one-tenth of what is commonly employed, and the security will be much greater than in the ordinary mode of fixing the rails. 1172^'Specimens of Ornamental Stuccoing, for the Fronts of Houses. Deposited by Mr GOUGH, 30 Capland street, Portman market, 1173 A Cannon fitted to show an Easy Method of pointing Ships' Guns. By R. W. Sievier, Esq. 1173*Wynn and Co.'s Patent Gasometer, for the Preserva- tion of Malt Liquors, Wines, &C. Deposited by the Patentees, Poland street, Oxford street. 1 174 Batten's Patent Compresser, for checking and stopping- Chain Cables. Deposited by Messrs BAILEY and Co,, Holborn. 1175 Series showing the Manufacture of Shoemakers' Pliers, 1176 A Model of Whinfield's Wood Pavement. 1177 Engraving — Bolton Abbey in the Olden Time. Depo- sited by Mr BOYS, Golden square. (On the Pier.) This unrivalled work of art was executed by Mr Samuel Cousins, A.R.A., from the celebrated picture painted by Edwin Landseer, Esq., R.A. It is deservedly considered one of the most popular of modern engravings. Elliptic Cou?2(er, Great Hall. 1178 to 1184 Seven interesting Models of the Machines used in the Washing and Manufacturing of Woollen Cloth, viz. One Warping Mill, One Set of Stocks for fulling Cloth, One Gig Mill for raising ditto. Two Shearing Machines, One Dressing ditto, One Loom. Deposited by Messrs NEWTON and BERRY. 65 1185 Model of Pickworth's Paddle Wheel. Deposited by Mr PICKWORTH. 1 186 An Hydraulic Press. Deposited by Dr URE. 1187 A Model of a German Blast, or Blowing Machine^ Deposited by Mr TAYLOR. 1188 A Model of Jubber's Patent Cooking Apparatus. Deposited by Mr A. PRINCE, 14 Lincoln's inn fields. 1188*A Model of Steam-boat Paddles. Deposited by Mr MATHEWS. 1189 A Model of Monsieur Pleney's Brick-making Machine Deposited by R. COMINS, Esq., 3 Hare court, Inner Temple. 1190 and 1191 Specimens of Wire Rope. Deposited by Messrs FOX and Co. 1192 Model of a Machine for making Bricks; invented by the Marquis of Tweeddale. Deposited by Messrs COT- TAM and HALLEN. 1193 Model of a Whim ; with Ropes and Buckets. Deposited by Mr JOHN TAYLOR. 11 93^ A Frame of Drawings of Machinery. Deposited by Mr HILL, 74 Old Broad street. 1194 A Drawing (on Pier). Horizontal View of Mr Beale's Rotatory Engine, laid down on a Scale of three inches to the foot. By Mr W. Spence, 97 Leaden- hall street. 1195 An Ore-crushing Machine. Deposited by Mr TAYLOR. The models arranged on the counter are put in motion by atmospheric pressure. The method adopted is as follows : — an air-pump of nine inches dia- meter, and a nine-inch stroke, is attached by a rod to the beam of the steam engine in the Hall of Manufactures, and a pipe is appended to it, and continues onwards to the under side of the counter, where it enters into the side of a strong wrought-iron box, which is called the vacuum chamber. By the reci- procating motion of the engine a partial vacuum is formed, equal to about 8 lbs. or 1 0 lbs. on the inch. This vacuum box is merely to keep a steady motion on the small models that work from it ; as without it a jumping motion would be given at every stroke of the engine. From this box a pipe is attached which passes under the counter, and each model intended to be worked has a separate supply-pipe from it, furnished with a stop-cock to regulate the speed of the model. This mode is adopted as a moving power for the models sent to the Institu- tion, as great difficulty would be found in keeping the joints steam-tight in such miniature representations ; also, the escape of the steam would much injure the models entrusted to the care of the Institution. The present method is cleanly, and is no way injurious. E (56 To our younger visitors it might be as well to remark, that the atmospheric pressure on the surface of the earth is equal to 15 lbs. weight on the square inch, and the removal of it from one side of a piston causes a corresponding pressure on the other. This pressure may be brought more clearly to their notice when they observe the mercury standing in the barometer tube twenty- nine inches high, or notice the height that water will follow the piston of a common pump, which it will do thirty-three feet high, and no more. Now a column of mercury of twenty-nine inches in height and one inch square weighs 15 lbs., and a column of water of the same square and thirty-three feet in height weighs the same. In both cases the columns are raised by taking off the pressure at the top, and neither column will rise one inch higher, except as is seen by the variance of the pressure of the atmosphere, by the rising and falling of the mercury in the barometer. 1196 Model of a Condensing Steam Engine. Deposited by R. W. SIEVIER, Esq. 1197 Model of a Sugar-crushing Machine. Deposited by Mr DON. 1198 Working Model of a High-pressure Steam Engine and Boiler. Deposited by Mr SEWELL. 1199 Model of a High-pressure Engine. By W. Pemberton, Manchester. 1200 Model of a Rotatory Steam Engine. 1201 Model of a Condensing Engine. Deposited by R. W. SIEVIER, Esq., F.R.S. 1202 A Portable or Pedestal Engine. Deposited by Mr CLARK. 1203 Model of a High-pressure Engine. Deposited by Dr POTTS. 1204 Model of Gough's Portable Churning Engine. By Mr N. Gough, Manchester. 1205 An Atmospheric Engine. Deposited by Mr E. RUDGE, Tewkesbury. 1206 A Revolving Engine. Deposited by Mr YATES. 1207 Model of a High-pressure Engine. 1208 Model of a High -pressure Steam Engine. Deposited by Mr CRISP. 1209 A Cross-head High-pressure Engine and Boiler, with Lathe and Circular Saw. Deposited by M. SCOTT, Esq. 1210 An Ore-crushing and Sifting Machine. Deposited by Mr TAYLOR. 1211 Dr Spurgin's Endless Chain Ladder for Mines. 67 1212 and 1213 A Model of a Marino Steam Engine, with Rennie's Patent Trapezium Paddle Wheel. Deposited by G. RENNIE, Esq. 1214 A One-horse Beam Engine. Deposited by Messrs BARKER and ROSE. This is supphed with steam from the boiler in the Boiler-room, by a pipe passing through the yard to it and the others. 1215 A Three-quarters Horse Engine. Deposited by Mr LUMSDEN. This differs from the common engine in its parallel motion in the crank being placed overhead, and in its having a tappet motion to work the slide, instead of the usual way of an eccentric. 1216 A Condensing or Low-pressure Engine, with Boiler. Deposited by Mr HURWOOD. In the High-pressure Engine, steam of high elastic force is admitted into the cylinder, and having performed its duty of driving the piston up and down, is suffered to escape or blow off into the open air. In this kind of engine the waste steam pipe, instead of opening into the air, opens into a vessel called the condenser, which is a cylinder surrounded with water, and into which a jet of cold water is constantly playing. When the steam comes in contact with the water it is condensed, or restored to its original form of water. Now, since it is known that steam occupies about 1,700 times the space that it did in the shape of water, it is evident, if we condense the steam, i. e., reduce it to the form of water, we shall have very nearly a vacuum on one side of the piston, while the steam exerts its full force on the other side of it : thus we get rid of the nega- tive pressure which we have in the High-pressure Engine, and which is a serious drawback to its power. The Condensing Engine must be provided with a con« denser, air pump, cold and hot-water pumps. The use of the condenser has been described ; the air pump pumps the water and gaseous matter out of the condenser into the hot well, whence a part of the former is forced into the boiler by the plunger or hot-water pump. The cold-water pump is to keep the condenser constantly surrounded with cold water, and to furnish the water for injection. 1217 A Model of a Cornish Back-shot Water Wheel, with Bobs, Shears, Shafts, and Pumps, complete. Depo- sited by Mr TAYLOR. This Machine is now in use in the Tin and Copper Mines in Cornwall. ,1218 A Model of a Three-throw Compensating Crank, for Pumps. Deposited by — > BRUNTON, Esq. 1219 Dr Spurgin's Paddle Wheel, which causes no Back- water. 1220 Model of a Sawing Machine. Deposited by Mr EDWARDS. 1221 Model of an Improved Smoke Jack. Deposited by Mr BENHAM, Wigmore street. 88 Space between the Canals, 1222 An Horizontoriiim. By W Shires. 1223 A Plate Electrical Machine. Deposited by Mr COLLINS, Philosophical Instrument Maker, Princes street, Leicester square. 1224 Lipscombe's Water Filter. 1225 Hale's Patent Horizontal Windmill. 1226 A Patent Freezing Machine. Deposited by Mr BENHAM, Wigmore street. 1227 Plan for regulating the Tidal Water of the River Thames, at London, by Floating Caissons, which shall present their Sterns to the flowing tides, and their Broadsides to the ebbing tides at scant water. By J. White, Esq. 1228 Patent Double Gasometer and Aerometer. Deposited by Mr HUTCHINSON, Vauxhall Gas Works. 1229 Butter's Tangible Arithmetic and Geometry. Squares, Triangles, Rhomboids, Cubes, Prisms, Pyramids, and various other devices, formed of the Cubes, used as Illustrations of Butter's " Tangible Arith- metic and Geometry, illustrated by one hundred and forty-four Cubes, in a Box." Models of Butter's Trinomial Cube, and of the three Binomial Cubes that can be formed out of the pieces composing it. 1230 Design for the Nelson Monument. By Mr C. Fowler. 1231 Design for the Nelson Memorial. By Capt. George Smith, R.N. 1232 Model, and small Iron Carriage, to illustrate the nature of the Centrifugal force. 1233 Carson's Hypozygone, or Driving Regulator. 1233*A Model of a Whim Cage; with two Horses, Pulleys, Ropes, &C., complete. Deposited by Mr TAYLOR. 1234 A Model of St .John's Church, Paddington. By Mr C. Fowler. 1235 A Model of a Design for the Fitzwilliam Museum, Cambridge. Deposited by Mr BARD WELL. 1236 Model in Plaster of a Church. 1237 A Venus, sculptured in Alabaster. 1238 A Specimen of Hudson's Embossed Glass. i 69 1239 Portraits of her Majesty the QUEEN and his Royal Highness Prince ALBERT. Deposited by Messrs COLNAGHI and PUCKLE, Printsellers, by ai)pointmcnt, to the Queen. The original miniature portraits from which these engravings have been made were painted in Buckingham Palace, by Mr Ross, A.R.A., Miniature Painter to the Queen, whom her Majesty honoured with repeated sittings for the purpose. One of them, that of the Queen, is in the possession of his Royal Highness Prince Albert ; the other, that of the Prince, is frequently worn by her Majesty as a bracelet. The engravings, on steel, were executed by Mr Ryall. They are well suited both for framing and the album. 1240 Specimen of Hudson's Embossed Glass. 1241 Portrait of his Grace the Duke of Wellington. Depo- sited by Messrs COLNAGHI and PUCKLE, Printsellers, by appointment, to the Queen. This full-length print of the Duke of Wellington, engraved in mezzotinto on steel, by Mr Lupton, is from the admirable portrait of his Grace painted by H. P. Briggs, Esq., R. A., for the town of ISheffield. The publishers feel themselves justified in stating, that as a likeness of his Grace it is equalled only by the celebrated picture painted in 1823 by Sir Thomas Lawrence, now in the collection of the Right Hon. Charles Arbuthnot. As a whole-length portrait of the most illustrious warrior and statesman of modern times, in the costume of every-day life, it may justly be said to be unrivalled, both for fidelity of feature and of person. 1242 Taylor's Electro-Magnetic Motive Machine. Deposited by Mr EDEN. 1243 GifFord's Paddle Wheel. Deposited by Mr GIFFORD. 1244 An Electro-Magnetic Pendulum. Deposited by Messrs WATKINS and HILL. 1245 An Electro-Magnetic Apparatus for giving slight shocks. 1246 and 1247 A SELF-FEEDING COINING PRESS, showing the Method of Coining at the Mint, by which process Fifty Medals are struck off in a minute ; and a Machine for cutting Blanks for the Medals. 1248 Powerful Magnetic-Electrical Machine. The advantages of this arrangement are, that having two distinct inductors the full effects of quantity and intensity are developed ; the use of mercury is avoided, and the wire coils being in metallic contact with the iron armature, a considerable increase of power is obtained. This machine is on a larger scale than has ever yet before been made ; the magnets, ten in number, weigh one hundred and fifty-six pounds. The inductors are put in rapid motion by the foot of the operator. The intensity inductor has eight hundred and ninety- four yards of insulated copper wire, one-twenty-eighth of an inch diameter. The quantite inductor has one hundred yards of insulated copper wire, one-tenth 70 of an inch diameter. For a detailed description of this instrument, see * Trans- actions of the London Electrical Society/ September 4th, 1837. Also, * Edinburgh Phil. Mag.' for October, 1836 ; ' Sturgeon's Quarterly Annals of Electricity,' for January, 1836 ; * Poggendorff's Annalen der Physik,' No. 10, 1836 ; ' Silliman's American Journal of Science/ No. 2, 1838 ; and ' Pouillet's Traite de Physique,' 1837. CANALS AND RESERVOIRS. 1 249 Hall's Patent Hydraulic Belt or Water Elevator. (For Description, see opposite page.) 1250 Locks. At the bottom of the Canals are a series of Models of Canal Locks, to point out the method of raising and lowering barges. These consist of eight pairs of iron lock gates with sluices, and models of foot bridges, for the purpose of crossing the locks. The gates inclose six pounds or locks ; and, being built to a scale of one inch to the foot, show a rise of fifty-eight inches ; or, if in practice, a rise of fifty-eight feet. These models are put into action daily : the model of a vessel will pass from one canal, down, through the tunnel under the floor, to the opposite locks ; by which it will be raised into the canal on the opposite side. 1251 A Model of a Burmese War Boat, from Rangoon. These Boats generally run from one hundred to one hundred and twenty feet long, six or seven feet wide, and three or four feet deep, and carry from one hundred to one hundred and fifty men. 1252 Model of a New Zealand Canoe. Deposited by Mr BATTERSBY. 1253 A Map, in relief, of France and Switzerland, showing the Towns and Roads, and the courses of the Rivers. By Mons. Chauvet, 62 Margaret street. 1254 Model of a French Fishing Boat. Deposited by Sir J AS. SUTHERLAND. 1255 Model of a Steam Frigate of Thirty-six Guns propelled by Blades out of the reach of Shot (not the Archi- median Screw) on two Shafts, one on each side of the Stern Post, instead of Paddle Wheels. She has four large Boats fitted on a new plan, to be got in and out with Davits, so as to be independent of Masts and Yards (which are liable to be wounded or carried away). On the Deck are Models of a Ten- inch Gun on a Pivot, forward and aft, and of Mr Monk's new Fifty-six Pounder in Midships, also on a Pivot. By Captain George Smith, R.N. N.B. The Engines and Boiler being Working Models, take up much more space comparatively than they would in a full-sized vessel. — Patented in November, 1838. 125G Noon's Patent Beer Pump. Half s Patent Hydraulic Belt or Water Elevator. This entirely novel and important invention is one of the cheapest, simplest, and most important hydraulic machines ever known. It consists of an endless Woollen Band or Belt, passing- over two plain rollers, one fixed at the top of the shaft, and another below the surface of the water. By moving the upper roller in such a way as to give to the Belt a velocity of one thousand feet per minute, the adhesion of the water overcomes its gravity, and a larger quantity than in the case of a common Pump is raised and discharged, in a uniform and continuous stream, at the required elevation. The annexed engraving represents the working Model in the Polytechnic Institution. A is the belt: B the top roller, over which it revolves ; C the bottom ditto, under the surface of the water ; D the water discharged by the centri- fugal force on passing over the roller ; and E the pipe to convey the water off. The following testimony in favour of the Hydraulic Belt is extracted from the ' Poly- technic Journal ' for the month of November, 1840 : — " For thousands of years the brains of philosophers and dis- coverers have been racked in the pursuit of means for Hfting water, wherein the greatest possible amount of capacity, sim- plicity, and economy should be combined. Odd as it may appear — and it does appear odd — it was reserved for the pre- sent age to perfect and bring forward an invention which far surpasses, in these important requisites, anything of the kind previously known ; an invention which has withstood the test of experiment under every form and circumstance of disad- vantage to which new things brought for tlie lirst time into practical use, without the aid of lengthened, or indeed of any, experience, are necessarily exposed. * * * * The power which the * water elevator' possesses by nature is one of the most extraordinary and least easily explained things about it. A common pump will lift water thirty feet at an expenditure of one hundred to produce sixty ; that is, for every 100 lbs. of mechanical force applied to the piston, 60 lbs. of water will be raised ; and this is the extent of its capacity under the most favourable circumstances. But in the case of a force or lift pump, where water has to be carried above the height of thirty feet by the force of compression, this per- centage will materially decrease in proportion to the height to which the water has to be elevated. This part of the subject appeared to us to be so all-important and absorbing, that we made a point of having an experiment tried in our own presence, in order to discover if the statement made by Mr Hall, that his belt would lift at great depths from 85 lbs. to 90 lbs. of water for every 100 lbs. of power employed was substantially correct. The result of that experiment, which was made at a well in the Portman market, one hundred and thirty feet deep, was, that steam power equal to 107,892 lbs. lifted 96,460 IIds. of water, or nearly ninety per cent. " Here, then, we have the simplest hydraulic machine known, which shall do more work than the m.ost complex J can get through ; and the cost of v/hich, both in its original ~ construction and subsequent working, shall be a great deal less. Its portability, too, is another great feature in the way of recommendation." 72 1257 Model of the Archimedes Steam Vessel. Deposited by — SMITH, Esq. 1258 Captain Henvey's Life Buoy. 1259 Model of a Frame for a Floating Breakwater, each Frame constituting a portion of a Harbour of Refuge. Deposited by J. WHITE, Architect. 1260 Model of a Revenue Cutter. Deposited by Mr GODDARD 1261 A Model of a Sloop of War, fitted with Mr Snow Harris's Lightning Conductors. 1262 Model of a Twenty-six Gun Frigate. Deposited by Mr PEARCEY. 1263 A Model of the Royal George. 1264 and 1265 Two Models of Chinese Junks. 1266 Model of a Botella, a description of Vessel principally employed in conveying Cotton from the Ports in Guzerat to Bombay. Deposited by Sir JAMES SUTHER- LAND. 1267 Model of a Cutter Yacht. Deposited by Mr BETHEL. 1268 Model of a Steam Vessel with Fyfe's Screw Propeller. 1269 A Fungus (Neptune's Cup) from the Straits of Ma- lacca. Deposited by Mr CANTOR. NAVAL ARCHITECTURE. 1270 A Model of the Waterwitch, Ten-Gun Brig. 1271 Model of the Royal George, built of the Original Ma- terials, in which parts of the actual Stem, Stern Post, Rudder, Masts, Cable, &c. as recovered at Spithead, are all found in their respective places. Deposited by Mr GEORGE WHITE, Gosport. 1272 Model of a Revenue Cutter. 1273 Model of a Schooner Yacht. 1274 Model of a Clipper Merchant Schooner. From these models the leading vessels of the Royal Yacht Squadron, the Fruit Schooners, and the Revenue Cruisers, have been built. Deposited by Mr T. R. WHITE, Gosport. 1275 Models of Noah's Ark and the British Queen Steam Ship, made to scale, showing they are of the same relative proportions. 1276 Model of a Cutter. 1277 Model of a Corvette. 1278 Model of a Frigate. These are all built from one draft, showing that but one form of body, to the load water line, is necessary for all vessels requiring the same properties. 73 The cutter is of tried and first-rate power, of which many have been built for the revenue service. Deposited by Mr WHITE, Ship-builder, Gosport. 1279 A Water-colour Drawing : View of Woolwich Dock- yard. By G. Scharf. 1280 Launching Slip. On the right-hand side is a three-decker, without stores or rigging, repre- senting the state of a ship with the raking-shores struck, and the ship laid, ready to be launched. The cradle and slip, with the method of fixing the dog-shores, are here clearly shown. Every piece of timber being removed, the whole mass is retained by the dog-shores only, which, when struck away by a smart blow, allow the ship to rush with great rapidity into her native element. A model of a powerful Windlass is also placed here, for the purpose of bringing the vessel back on to the slip. 1281 Building Dock. On the left-hand side of the Circular Basin are Models, to scale of one quar- ter of an inch to one foot, of a Building Dock, or Slip, with the capstans and palls, and the model of a ship of war in the progress of building. The vessel is placed on the slip, or stocks ; and the method of supporting her while building is shown by the raking-shores, which are not struck until the vessel is ready to be launched. 1282 Dry Dock. On the left hand, near the Pier, is the model of a Dry Dock for repairing ships, with models of four Capstans and Palls, and a pair of large Floodgates with Sluices. The capstans, which are used for opening and closing the gates, are connected with machinery built in the solid masonry, and act upon the gates by means of chains connected with them. The gates are partly supported by rollers placed at the points, running upon an iron tram, placed upon the floor of the dock-cill. This model shows correctly the method by which a first-rate ship, with all her stores, may be docked, and the whole of her bottom inspected in a few hours. 1283 Graving Slip. On the right of the Pier is a Graving Slip, for laying vessels on. The cap- stans and palls on each side show the means of hauling the ship on to the slip. 1284 Pier. On the Pier is placed a model of the Masting- Sheers, with treble-action blocks and fall, and the model of a mainmast slung ; also the hand-blocks and fall, for the purpose of stepping the mast, and the connexion of the great falls by means of snatch-blocks with the capstans. The method by which the strain is relieved from the top of the upright spar is plainly to be seen, by inspecting the manner in which the supporting chains are placed. 1285 Model of Read's Patent Fire Engine, with Double Levers. Deposited by Mr READ, Regent circus. 1285* A Glass Cylinder Model of Mannering and Harrison's Patent Pump. Agent, Mr TYLER, Upper White Cross street. 1 286 Cups for giving an Electric Shock by placing separate hands or fingers in both at the same time. 1287 Model of a Frigate. Deposited by Mr BAKER. 74 1288 Patent Rapid Filter. Deposited by the RAPID FILTER COMPANY. 1289 Stocker's Patent Beer Pump. 1290 Locks. Here is shown the method of passing a vessel up an inclined plane by the resistance of her own paddles, as practised by vessels that surmount the Ame- rican rapids. 1291 Model of a Double-Action Pump. Deposited by the Pa- tentees, J. CLARK and CO., Liverpool. 1292 Model of an Ice Sledge, for saving Drowning Persons. Deposited by Mr J. WILSON. 1293 to 1295 Three Water Wheels in Motion, viz.— A Breast Wheel, an Undershot Wheel, and a Backshot, or Pitchback Wheel. 1296 Model for illustrating the Action of Intermitting Springs. By W. L.Wharton, Esq., Dryburn, Dur- ham. 1297 The Water Ram. Manufactured and deposited by R. CUN- DALE, 51 Marylebone lane. A useful and simple machine for raising- water to any height without the aid of any other force than the momentum of a part of the water to be raised. The action of the machine depends entirely on the force that is generated whenever a body is put in motion ; and its effect is so great as to give the apparatus the appearance of acting in defiance of the established laws of hydrostatic equili- brium : for a moving column of water of small height is made to overcome and move another column much higher than itself. End of Great Hall. WEST BALCONY ROOM. (No 19.) 1298 Specimen of Maquetaire for Floors (on steps). Depo- sited by Mr GREENWOOD. 1299 Specimens of Scagliola (on steps), from W. Brown's Manufactory, 10 Chenies street, Bedford square. 1300 and 1301 Colossal Dissected Model of the Human Eye; and an oblong Glass Case, containing Colossal Dis- sections of the Human Eye. Modelled by Mr GEORGE SIMPSON, Surgeon to the Westminster General Dispensary. 1302 A Model of the Human Ear (in Papier Machee), of 144 times the Natural Size. A model of this important organ, which has had too little attention paid to it, owing to its minute and complicated construction, is now exhibited on an en- larged scale, showing the external convoluted Ear, with its cartilaginous and bony passage (in which the ceruminous glands, which secrete the wax, are situated), leading* to the Drum, or membrane of the Tympanum. By means of this Colossal Model, the difficult but interesting study of Acoustics is greatly facilitated, the Temporal Bone being so divided as to show, at one view, the cavity of the Tympanum, or Intermediate Ear, with the small chain of Bones, viz., the Malleus, Incus, Orbiculare, Stapes, the Muscles attached to them, and the Eustachian Tube, or Trumpet — the passage from the Mouth to the Ear — the supposed use of which is to preserve the equilibrium of the atmospheric pressure on the Tympanum. The Labyrinth, or Internal Ear, is also seen, divided into the Cochlea, Vestibulum, and Three Semicircular Canals, on the Membranes of which the nervous pulp of the Auditory Nerve is beautifully ex- panded, to receive the sonorous vibrations, and to convey them to the Sensorium. 1303 The original Apparatus by which Monsieur Charles illustrated the Acoustic Deception, called the Invisible Girl. Deposited by H. FOY, Esq. The ancient Magicians were very successful in making Acoustics, or Sound, sub- servient to their purposes in their endeavours to awe the ignorant. For this pur- pose a phenomenon, similar to the Invisible Girl, was frequently and successfully used. The Speaking Head of Orpheus, at Lesbos, and the Statues of Delphos, were famous throughout all Greece and Persia, as they predicted, though in equivocal language, the destinies of men, nations, and events, as best suited the views of the priesthood of those times. Odin, who imported into Scandi- navia many wonderful magical arts, possessed a Speaking Head, said to be that of Minos. Gerbert, who filled the papal chair under the name of Sylvester 11, formed a Speaking Head of brass. Albertus Magnus invented a Head which spoke and moved also ; it was composed of china, and Thomas Aquinas was so alarmed when he saw and heard it, that in his haste to escape from it he broke it into pieces, much to the dismay of Albertus. Lucian tells us that the impostor Alexander made a figure of iF^sculapius speak by transmitting his voice through the gullet of a crane to the mouth of the statue. At the Court of Charles II, a wonderful exhibition was introduced, which surprised every one ■who heard it for a length of time, but when the astonishment was at its height a person was discovered by one of the pages in an adjoining apartment. The questions, it seems, had been proposed to an apparently isolated wooden figure, by whispering into its ear, each question being answered through a pipe com- municating with the figure. Theodoretus states, that in the fourth century, when Bishop Theophilus broke to pieces the statues at Alexandria, he found some which were hollow, and which were so placed against the wall, that those who were in the secret could conceal themselves behind them, and address the ignorant spectators through their mouths. The whole of tliese, it will clearly appear, were formed upon the same principle as the Invisible Girl. 1304 Model of the Custom House, with a design for a Pier for landing Goods and Passengers. Deposited by — WROUGHTON, Esq. 1305 A Musical Instrument, the Cherubine. Deposited by Mr SNELL, 7 Globe terrace. Ball's pond. 1306 A Patent Geographical Bagatelle Board. Invented and manufactured by Mr HAGEN, Kensington. 1307 Specimen of a New Application of the Art of Engine- turning on Glass, peculiarly adapted for Hall Lamps, Parlour Blinds, Windows, Conservatories, &c. Ex- ecuted by the Inventor, Mr C. LONG, G Palace row. New road. 1308 A Cottage Pianoforte, with Patent Radiated Keys. Manufactured by Mr HEWITT, 6 High street, Camden Town. 1309 and 1310 Two Casts in an Improved Composition. Deposited by Mr WERNDLEY. 1311 A Pair of Vases in an Improved Composition. 1312 The Clavseolina — a new Musical Instrument. Invented and deposited by Mr BRABY. 1313 A Stuffed Cormorant (young female). Deposited by iNIr MARKS. 1314 A Double-barrelled Gun, and a Brace of Pistols, richly inlaid with Gold and Silver. Made for the Schah of Persia, by W. F. Mills, 120 High Holborn. 1315 A Case of Stuffed Birds. 1316 Two Figures in Improved Composition. 1317 An Improved Patent Flute. Deposited by the Patentee, Mr WARD, 36 Great Titchfield street. 1318 Three Specimens of Ornamental Needle wwk, by Ma- dame Ditl, 11 Duke street, Portland place. 1319 A Model in Cork of Christ's Hospital Hall, London. Deposited (for sale) by Mr BRIDGE. 1320 A Glass Case, containing a beautiful collection of Re- cent Shells, arranged according to Reeves's System of Conchology. Deposited by Mr GRAHAM, 37 Ludgate hill. 1321 A Painting of our Saviour. By Guido. Deposited by — GREGORY, Esq. 1322 A Loo Table, formed of various kinds of wood em- bedded in cement. Deposited (for sale) by Dr DIMOCK. 1323 Original Sketch, by West: Raising of Lazarus. Deposited by E. MORGAN, Esq. 1324 A Painting of our Saviour. By Guido. Deposited (for sale) by I\Tr SCRIVEN. 1325 and 1326 Casts from Raphael's Cartoon of the Beau- tiful Gate, and part of the Frieze of the Parthenon. By Mr Hemming. 1327 Lingard's New Map of London, and its Environs. 1328 Lingard's New Map of 30 miles round London. 77 1329 A Cast of a small Figure in Marble. By G. Thrupp. Deposited by the ART UNION OF LONDON. 1330 A Specimen of Penmanship. Presented by Mr J. GILLOTT, Steel Pen Manufacturer, Birmingham. 1331 and 1332 Two Specimens of China in the biscuit state. 1333 Specimen of Carving on Wood. Executed by J. R. Godfrey, Nine Years of Age. Deposited by PETER AUBE. 1334 A Patent Library Step Chair, which may either be used as an ordinary chair, or as a set of steps. Deposited by the Patentee, Mr MACAULEY, Curtain road. 1335 and 1336 Two Plaster Casts— one a Bloodhound ; the other a Hound and Pups. Modelled and deposited by H. and C. MCCARTHY. 1337 Figure in Plaster. 1338 Case of Stuffed Birds, from South America. 1339 Ditto. 1340 A Model, in Cork, of the Monument on Fish-street hill. Deposited (for sale) by Mr SMITH. 1341 Marble Figure — Cupid asleep; Sculptured by Mr Palmer. 1342 The pattern Model of the Crown in which her Majesty Queen Victoria was crowned. By Miss Royer. 1343 and 1344 Two Busts in Wax. By C. A. Rivers. 1345 Series of Twenty-three Articles, illustrating the English Manufacture of Glass at the Falcon Glass Works, Bankside. Deposited by Mr APSLEY PELLATT. These beautiful specimens of British skill consist of — 1. Roughed and bright Etruscan jug. 2. Amber engraved claret jug. 3. Medicean vase, arabesque border. 4. Engraved chalice, vine and grape border. 5. Tazza, cut green glass. 6. Amber engraved hock decanter. 7. Ditto, polished engravings. 8. De- canter with engraving of equestrian figures from the Elgin marbles. 9. Amber engraved toilet decanter, arabesque border. 10. Ditto, with foliage. 11. Ditto, stained and engraved. 12. Ditto, antique shape, with birds. 13. Ditto, with amber embossment of gems. 14. Ditto, topaz, new shape. 15. Knob for curtains, with cameo. 16. Door knob rosette. 17. Ditto, with cameo figure-head. 18. Cameo, with embossed arms. 19. Ditto, head from Dacier's medal. 20. Ditto, with gem. 21. Ditto, rosette. 22. Decanter with six angles, showing the refractive effect of large flat angles in strong flint glass. 23. Crystal plate in patent intaglio engraving, with the Queen's portrait, sur- rounded by figures from Thorwaldsen's ' Triumph of Constantine,' beautifully executed. 1346 Portrait of William Prince of Orange. By Weenyx. Deposited by J. ROGERS, Esq. 1347 A Water-colour Drawing, by Tatham. Deposited by Mr FAIRS. 1348 A Clavseolina. Deposited by Mr BRABY. 1349 Frame of Drawings of Improved Carriages. By J. Holloway, 99 Long acre. 1350 A Water-colour Drawing. By Mrs G. H. Bachhoffrier. 1351 Fine Specimen of Painted Glass. By Messrs Hoadley and Oldfield. 1352 Large Metallic Reflector. A whisper is distinctly heard between this and the one in the opposite Balcony. 1353 A Universal Telescope Stand. Invented and deposited by Mr I. CUTHBERT. 1354 Two Specimens of Slate — a Smooth Slab and Roller. Deposited by Dr POTTS. 1355 An Iron Rocking Chair. Deposited by Messrs COTTAM and HALLEN. 1356 to 1358 The Four Seasons. By Caravaggio. Spring — Summer — Autumn — Winter. UPPER WEST ROOM. (No. 20.) This room contains a variety of curious and interesting Machinery of a novel description, patented by M. Moinau de Montauban. 1359 A Clock propelled by a Compensation Wheel. This Clock is kept in motion by a Ball being placed in the Cup on the out- side of* the Wheel, causing the leverage to be one-fourth of the wheel only. The Bali is returned to its original position by an Archimedes Screw. It is so arranged that one Ball is admitted on to the wheel every two hours. 1360 A Telegraphic Clock, moving by the power of a weight, w^hich, pressing upon the wheel, answers the same purpose as the Balls of No. 1359. 1361 A Clock moving on the same system as No. 1359, but the Balls of wliich are raised by means of a lever. 1362 A Ditto— similar to No. 1360. 1363 A Ditto ditto. 1364 The several portions of Machinery composing an Ap- paratus called the " Volant Moteur Perpetuel." 1365 The Suspension Apparatus of No. 1364. 1366 A large Musical Table, playing the following airs, by Rossini : — William Tell. Barber of Seville. Semiramide. 79 1367 A large Musical Table — playing Jenny Jones. Paddy Carey. Waltz of the Thousand Flowers. Jim Crow. 1368 A large Terrestrial Globe. Deposited by Mr ADDISON, 1369 Specimen of Modelling in Wax, by the late A. Rouch, Esq. Deposited by W. CROFT FISH, Esq. This UNIQUE model, which occupied the late distinguished artist many years, and whose pious feelings rendered him peculiarly adapted to the creation of such a work, exemplifies THE RESURRECTION. " As it began to dawn towards the first day of the week, behold there was a great earthquake ; for the angel of the Lord descended from heaven, and came and rolled back the stone from the door of the sepulchre ; his countenance was like lightning, and his raiment white as snow. And for fear of him the soldiers did shake, and became as dead men." — Matt, xxviii. The time chosen by the artist is the instant at which egress is made by our Saviour from the sepulchre after the removal of the stone by the angel which guarded the entrance. Christ is represented advancing from the sepulchre in the full vigour of life, and by the two outstretched fore-fingers of his hand directs attention to the " house opened, not made with hands, eternal in the heavens," and to the vic- tory he has achieved over Sin and Deaths which is further exemplified by the double key. The angel^ awed by the glory of the risen Saviour, is seen worshipping on his knee, veiling his face with his robes. The soldiers of the watch are represented terrified at the " great earthquake," and the re-appearance of the crucified Saviour. One, in his endeavour to screen himself, falls to the ground, whose utter prostration is exemplified by his weight bending the handle of his spear ; others fall upon him, and to mark the general consternation, another is portrayed without his helmet. The Sepulchre exhibits in the interior the white napkin which had been bound about his head, and on the top of the entrance a skull emblematical of mortality; at the back two Palm Trees springing from one root, typical of the two-fold victory, which is further illustrated by the Serpent retreating from the back of the sepulchre at the instant the Saviour advances from the front, while over- spreading it is seen the Passion-Flower and the Ivy, the former exemplifying the suflferings of Christ in obtaining our redemption, and the latter that his kingdom shall last for ever. This is the only instance known of the Resurrection being thus exemplified. 1370 to 1373 Small Busts in Bisque. By Mr Cocker. 1374 A Box of Musical Bells. Manufactured and deposited bv Mr DRURY, Cheshunt. 1375 An Engraving of our Lord's Supper. By Raphael Morgan, after Leonardi da Vinci. Deposited (for sale) by Mr HOUGHTON. 1376 Porter's Optical Instrument Manufactory. The Grinding and Working of Optical Glasses, the manufacture of Micro- scopes, Telescopes, and all the branches of an optician's business are carried on here daily. 80 SOUTH-WEST SKYLIGHT ROOM. (No. 22.) 1377 Frame containing three Objects, viz., an impression from an engraved plate, — an impression from an Electrotype duplicate of the same plate, — and an Electrotype Matrix or Mould of another Engraving. Deposited by Mr J. WILLIAMS, Electrotypist,44 Paternoster row. Mr Williams is prepared to multiply, by voltaic electricity, fac-simile copies of engravings of any size, or of any value, without their being distinguished from the original plates. 1378 and 1379 Specimens of Palmer's Patent Electrotint. Deposited by E. PALMER, Newgate street. 1380 A Lithographic Press in daily operation. Deposited by INIr FRIEDEL. Chromolithography, Portraits, Plans of Estates, Drawings of Machinery, Visiting Cards, Circular Letters, and every other description of work, executed in the first style of the art. 1381 A Cutler's Shop, where is exhibited the process of making Clasp Knives weighing only the four hun- dred and ninetieth part of an ounce, with other miniature cutlery. By B. Warner. 1382 A Drawing of Dick's Suspension Railway. 1383 A Specimen of Inlaying for Floors. By Messrs Blake, 8 Stephen street, Rathbone place. 1384 A Plaster-cast Group of Figures — The Deluge. Designed and deposited by Mr SCOULAR, 91 Dean street, Soho. 1385 Sculpture, by R. W. Sievier, Esq. 1386 Ditto in Marble, by ditto. 1387 Medallion Bass-Relief, by Mr Loft. 1388 A Demography Chart. Deposited by Mons. TOURRIER. 1389 Bartlett's Geological Index. NORTH-WEST SKYLIGHT ROOM. (No. 23.) 1390 Phillips's Geological Map. 1391 Vernet's Ingenious Lamp Furnace, Steam Boiler, and Water Bath, for heating Vessels, containing different Colours of Melted Wax, for Moulding Fruits and Flowers, in Plaster of Paris Moulds, wetted ; the very curious process of doing which is exhibited daily. 81 1392 The Original Carving, in Wood, of the Crucifixion, by Michael Angelo, from which Rubens copied his celebrated Painting in the Cathedral at Antwerp, Deposited (for sale) by — ASBURY, Esq. 1393 to 1492 A Series of Beautiful Continental Daguerreo- types, many of them taken by Daguerre himself, from the most celebrated places in France, Italy, and other parts of Europe. 1493 A Cast from Canova's celebrated Group of the Graces. Deposited by Mr LOFT. 1494 An Engraver's Desk. The Art of Gem and Seal Engraving is practised here throughout the day^ by J. GifFord. Visitors may have seals or rings engraved during their stay iu the Institution, or they will be sent to their residences. 1495 Suit of Armour, in imitation of Steel, on Papier Machee. By Messrs Crace, Wigmore street. 1496 Sculpture, by R. W. Sievier, Esq. 1497 Model of a Sleeping Infant and Dog. Deposited by Mrs E. CAYLEY. 1498 An Electrotype. Deposited by Mr HARBOUR. 1498''^A Frame containing three Objects, viz., an impression from an engraved plate, and two impressions from an Electrotype duplicate of the same. One of the impressions from the Electrotype Plate w^as taken after three thousand copies had been pulled. Deposited by Mr BARCLAY, Engraver and Electrotvpist, 22 Gerrard street, Soho. 1499 Specimens of Electrotype, by Mr Bachhoffner. 1499''^Specimens of Swedish Porphyry, in Circular Table- tops, Oblong Slabs, &C. Deposited (for sale) by Mr KLERCK. ROOiVI FOR LECTURES ON EXPERIMENTAL PHILOSOPHY. (No. 24.) 1500 A Map of North America, exhibiting the Recent Discoveries. 1501 A Map of South America, on which is delineated the Modern Discoveries, and showing the New States. Deposited by JAMES WYLD, Geographer to the Queen, Charing cross East. 82 1502 A Map of Europe, exhibiting the Great Roads and Physical Features. 1503 A General Map of Africa, describing the Progress of African Discoveries. 1504 A Powerful Electro-Magnet; — its supporting power is 2,240 lbs. This instrument is simply a bar of soft iron, bent into the form of a horse- shoe magnet, around which are wound a series of convolutions of insulated copper wire. When a voltaic current is made to circulate through these coils, and consequently at right angles to the axis of the iron bar, powerful magnetic effects are instantly developed, and the bar of soft iron becomes a temporary magnet, capable of supporting the enormous weight of a ton, or 2,240 lbs. This effect is maintained only during the flow of the voltaic current ; for when the latter is cut off by breaking the connexion, the bar of soft iron instantly re- turns to its original state, being no longer magnetic. 1505 A new Arrangement for the Voltaic Battery. Deposited by Dr HOSKINS. 1506 An Apparatus, showing the Rotation of the Magnet on its axis, by the transmission through one -half of its length, of a voltaic current. 1507 Bachhoffner's Revolving Electrepetor. 1508 A Powerful Magnet. By Schmidt. 1509 Crosse's Voltaic Battery. 1510 BachhofFner's Electro-Magnetic Machine. 1511 The Model of a Pile-driving Machine, worked by Electro-Magnetism. Manufactured for the Institution by Mr WATKINS. 1512 Professor Henry's Flat-riband Coil. 1513 A thirty-six-inch Plate Electrical Machine, mounted on Mr Snow Harris's Principle. Made for the Institution by Messrs WATKINS and HILL, Charing cross. 1514 Foote's Patent Fire Detector. 1515 Defries's Dry Gas Meter. SOUTH-WEST BASEMENT COSIVIORAIVIIC ROOMS. (No. 25.) First Room, 1516 and 1517 Two large Cosmorarnic Pictures, one a View of Heidelburg Castle, on the Rhine, the other a View of the Colosseum, at Rome. 83 1518 A Design for a Swiss Boat House. By Mr Gray. Second Roo?n, (No. 26.) This Room contains three Paintings on Glass, viewed through magnifying glasses, being Copies from 1519 "The Opening of the Sixth Seal," by Danby. 1520 "The Destruction of Nineveh;" and 1521 "Joshua commanding the Sun to standstill." Both by Martin ; and 1522 to 1537 A Series of Interesting Cosmoramic Views, being Scenes in Italy, Switzerland, and other Parts of Europe. Passage. 1538 A Panoramic View of the City of Canton, by a Chi- nese Artist, exhibited through Magnifying Glasses. This is admitted to be one of the most correct and beautiful works of the kind from the hands of a Chinese Painter. WEST ROOM, (No. 27.) 1539 A Painting — The Vision of Loyola. By Francisco de Ribalto. Deposited by K. FORD, Esq. 1540 Alexander's Electro-Magnetic Telegraph. Deposited bv Messrs WATKINS and HILL, 1541 Specimens of Marble Paper Hangings. Manufactured by J. Sloper, 106 High street, Marylebone. 1542 to 1545 Four Specimens of Pyrographic Drawing, Deposited by N. SLEE, Esq. 1546 and 1547 Two Carvings, in Wood, of Catholic Bishops, from the Library of Pope's Villa, Twickenham. Deposited (for sale) by Mr BLOMFIELD. 1548 A Box made from the Weeping Willow planted at Twickenham by Alexander Pope. 1549 A Painting — The Temple of Venus. 1550 A Pyrographic Drawing. 1551 A Sketch, by Morland. Deposited by N. SLEE, Esq. 1552 A Beautiful Specimen of English Japanned Wood, is a Pillar and Claw Table. Deposited by Mr WATSON. 84 1553 An Orrery. Deposited (for sale) by Mr WALKER. 1554 At wood's Machine for Illustrating the Action of Falling Bodies. EXTREIVIE WEST ROOIVl. LOOKING INTO CAVENDISH SQUARE. (No. 28.) 1555 A Chess Table, painted on Slate, in imitation of various Marbles. Deposited by Mr G. WILSON. 1556 A Chinese Map. Deposited by W. M. NURSE, Esq. FORTIFICATION MODELS. The following very Superior Collection of Models were con- structed under the immediate direction of E. Jekyll, Esq., late Captain Grenadier Guards, by whom thev are deposited. 1557 A Model of a Field Work, showing the manner of placing abattis, palisades, and fraises. Also various methods of protecting troops, by placing sand bags, logs of wood, baskets full of sand, and barrels full of earth, on the superior slope of the parapet. 1558 A Martello Tower, with Gun on traversing Platform. 1559 A Casemated Coast Battery, the rear of which is defended by a Horn-work, the whole strengthened by palisades and chevaux de frise. The gate on the land entrance covered by a tambour. 1560 A Model, representing half an octagon, where various methods of defence are shown. The Bastions are empty, full, retrenched, detached, and with orillons or re- tired flanks. The Ravelins are of Vauban's first trace. The Tenailles, of three different varieties, as proposed by that author, and advanced works, in the shape of Lunettes, are represented as thrown out. The works are partially strengthened by Redoubts, in the re -entering places of arms of the covered way. 1561 Carno.t's System, with Wet Ditches. 1562 A new Circular System of Fortification proposed by Capt. Bordwine, Professor of Fortification at the Honourable East India Company's Military Semi- nary, Addiscombe. It possesses the great advantage of throwing a fire upon every part of the ground in front of the work, and, consequently, along the approaches made for its reduction ; whereas, in common fortification, there is a large undefended space on each side of the flanked angle along its capitals. This is fully proved, as the approaches are always directed along such capitals, and the only means for obviating this defect is to cut oblique embrasures in the Curtain. The 85 advantage of the circular system consists in the difficulty of enfilading the interior of circular parapets, in the mass of fire thrown from the broad salients, and the novel and powerful co-operation of the adjoining fronts, by means of heavy casemated batteries, placed both in the Bastions and Ravelins, constructed for firing inwards, and towards the body of the place. 1563 A Sand-bag Battery, with Epaulements. 1564 A System by Choumara. The complexity of this method is so great as to defy all attempt at a short description, in consequence of the variety and extent of the nature of the works employed in its defences. — Vide the Author's book. The constructor of this model is not aware of any work now in existence or in the process of formation according to this system. 1565 Cormontaigne's Method, now known by the name of ' The Modern System.' The faces of the Bastions are longer than Vauban's original method, the flanks are shortened, but are brought closer to the objects they are intended to defend. The large size of the Bastions admits of the formation of the most powerful retrenchments. The Ravelin in this system is constructed upon a larger base. The Redoubt in its interior is provided with flanks, which enable the besieged to throw a reverse fire upon the breaches of the collateral Bastions. The salient angles of the Ravehn are pushed very far forward. The enemy, on account of a powerful leverse fire, which it would throw upon the approaches, are thereby forced to gain possession of the Ravelin previous to the attack upon the Bastion. 1566 A Fascine Gun and Mortar Battery. 1567 Model of another System proposed by Carnot. Though the Bastion form is preserved, he detaches the Revetment from the Rampart. The Revetment assumes the form of a detached loopholed wall, surrounding the body of the place, and encircling also tlie flanks and faces of the Bastions which are detached. Counterguards are also employed for the protection of the several works, but these are so narrow as not to admit of the enemy's constructing batteries upon them. The Ravelin has in its interior a species of Redoubt or Cavalier to protect the space within its Counterguard. The covered way is totally absent, and the Glacis, contrary to every other system, has its slope towards the body of the place. This enables the besieged not only to make powerful and easy sorties, but also to avail themselves of a plunging fire over its whole space. The principal defence of this system would consist in vertical fire from the salients, and from the Casemates in the gorges of the Bastions, in sorties, and in the difiiculty of escalading the lofty loop- holed wall, which from its height not only precludes all chance of descent on its interior side, but fully exposes it to powerful fire from the inferior works. 1568 Capt. Boscawen Ibbetson's Trigonometrical Model of the UnderclifF of the Isle of Wight, viewed through magnifying glasses. The part modelled begins 1,230 feet to the west of Black-Gang Chine, and ends about 2,600 feet to the east of Shanklin Chine, and contains about 8,320 acres. The model contains about 124 square feet, and is made on a scale of three feet to the mile. The length of the coast line is about nine miles and three quarters. 86 From William's Hotel, Shanklin, to the village of Bonchurch, about two miles and three q uarters ; — from thence to Steep Hill Castle, about one mile and a half and 580 feet ; — from thence to the Earl of Varborough's Fountain, at St Lawrence, about three quarters of a mile and 640 feet ; — ^from thence to St Lawrence Church, about a quarter of a mile and 340 feet ; — ^from the church to the bottom of Cripple Path, about one mile and a quarter and 1,180 feet ; — from Cripple Path to the Sandrock Hotel, about three quarters of a mile and 640 feet ; — from the Hotel to Black-Gang Chine Hotel, about one mile and a quarter and 500 feet. The whole distance, from Shanklin Hotel to Black-Gang Chine Hotel, about eight miles and three quarters and 1,240 feet. At the west end of the Model is Black-Gang Chine : on the shore at the end is the spot where the Clarendon was wrecked, 11th October, 1836. From Black-Gang Chine to the east, where the Upper Cliff forms so promi- nent a view, is the large landsli}) of 1799; in the centre, near the road, is a dispensary, and below it a chalybeate spring, discovered by Mr Waterworth, surgeon, of Newport, who is now the owner of it. A little beyond the landslip to the east, and near the sea, is Knowle Farmland the new Lighthouse ; the high ground at the back is St Catherine's Down, 811 feet above high-water mark, and the ruins of an old chapel and lighthouse. THE MAGNIFYING GLASSES. (A) To the left, and near the Upper Cliff, is Mount Cleves (the Misses Simms) ; the next cottage to the cast, with a verandah, is the Sandrock Hotel; in front, below the hotel, is Buddie Farm; in the centre, near the Upper Cliff, West Cliff (Robert Holdford, Esq.) ; also the houses of J. Lobb, Esq., and Dr Wilkie. To the right, Puccaster (Mrs Vine) ; at the back is the road to Newport, and over the hill the village of Niton. (B) To the left, the orchard, and also Beauchamp, belonging to the Right Hon. Lieut. Gen. Sir Willoughby Gordon, Bart. ; to the right, Mirables (Mrs Arnold); in the centre, Cripple Path, leading to the top of the Cliff, Niton, &c. (C) To the left, is Old Park House ; to the right, the Farm of Wrongs, and the ruins of Woolverton. (D) To the left, near the Top Cliff, is St Lawrence Church ; in the centre, the village and well of St Lawrence, also the Marine Villa of the Earl of Yarborough ; to the right, Bank End Farm, and a Preventive Station. (E) Steep Hill Castle and grounds, the property of John Hambrough, Esq. ; in the centre, Steep Hill Cove, and fishermen's cottages. (F) The village and cove of Ventnor ; to the left the Ventnor Hotel ; in the centre, St Catherine's Church, and below it, near the sea, the Parsonage ; to the right, on the slope of the hill, some good lodging and boarding houses. The church parsonage and the school were built at the sole expense of Mr Hambrough. (G) To the left, St Boniface (C. P. Hill, Esq.) ; the Cliff, with cross upon it, is called the Pulpit Rock ; in the centre, the village of Bonchurch, and the Upper and Lower Mount Cottages (Rev. J. White) ; to the right, East Dene (Samuel Cartwright, Esq.), and the Church of Bonchurch. (H) To the left, Rose Cliff' Cottage (Mrs Wiskard,) and part of East End Landslip ; to the right, Luccomb Chine and Cottage ( — Hockley, Esq. ) ; at the back, Luccomb Farm. (I) The Village and Chine of Shanklin ; the Tower Cottage at the top of the Chine (Sir H. Viney) ; the Archdeacon Hill's Parsonage at the back; to the right, on the hill. East Cliff" Cottage ( Rev. V/. White); the high ground behind is Shanklin Down ; and about two miles to the north is Apuldurcomb, the seat of the Earl of Yarborough. GEOLOGY. The Geology consists of four sub-divisions, viz., Chalk, Upper Green Sand, Gault, and Lower Green Sand. The chalk in one part is about one hundred and ninety feet in thickness, and consists of upper and lower chalk, and chalk marl. Between the chalk marl and the upper green sand is a chlorite marl eighteei\ inches thick, very fossiliferous, and appears to have been formed under great agitation of water. At the upper part of the upper green sand the strata are in thin laminae, and 87 appear to have been formed in shallow water ; below the freestone bed, which is very regular, the depth of water seems to have increased. The upper green sand is from ninety-five to one hundred feet thick, and contains the following strata : — Ft. In. Ft. In. Transition or Chlorite Marl - 1 6 Freestone - 3 6 Cliftand Cockbed - 0 12 Rag 0 8 Rag - - 0 6 Under Bed - 4 0 Ciift and Cockbed - 2 6 Rag 0 8 Chert, or Shot-a-Wit - 1 0 Malm Rock - 6 8 Clift and Cockbed - 1 0 Rag and Cockbed 0 8 Rag - - 0 6 Malm - 0 9 Clift and Cockbed - o o O Rag 0 8 Clift, Rag, and Cockbed - - 1 0 Malm - 7 0 Chert, or Shot-a~Wit 2 0 Mamilary Rag 1 6 CoclcliGcl — ■■ - 0 3 iviaim - 3 0 Rag . 1 3 Rag 0 8 Conglomerate of Chert, Clift, Rc Malm - 3 0 and Cockbed 4 0 Fossiliferous Malm ^ 3 0 Clift and Cockbed - 2 9 Rag » - 0 9 Upper Firestone 0 7 Malm 13 6 Rag - - 0 8 Malm - 3 6 Lower Firestone 0 8 Rag 0 8 Cockbed - 0 3 Malm . 2 0 Upper Bed 2 0 Rag - 0 9 Rag - 0 8 Blue Malm « 4 0 Malm 0 8 Rag, Soft and Blue - 0 9 The fossil polypi begin to get blue at the fossiliferous malm, and continue to get of a deeper colour down to the gault. The upper green sand is about one hundred feet lower at East End than it is near Black-Gang Chine. The gault is about fifteen feet thick, but there are several strata of gault intermixed with the upper part of the lower green sand, which occasions the rapid falling of the Cliff near Shanklin. All the chalk and upper green sand fossils were found on the ground mo- delled. Very few gault fossils w^ere discovered, except at Shanklin, and all were extremely soft, the lower green-sand strata not being very fossiliferous in that part of the ground which is modelled. The specimens were found about one mile and a half east and west of Black-Gang and Shanklin Chines. 1569 A Glass Case, containing numerous Fossil and Geo- logical Specimens from the Isle of Wight. Deposited by BOSCAWEN IBBETSON, Esq. 1570 to 1582 Specimens of Fossil Remains. Deposited by BOSCAWEN IBBETSON, Esq. 1583 Glass Case, with arranged Specimens of the Strata of the Isle of Wight, Deposited by BOSCAWEN IBBETSON, Esq. 1584 Model of the Canton NeufchateL Deposited by BOS- CAWEN IBBETSON, Esq. 1585 Specimen of Modelling in Wood — A Fox Chase. By Mr R. B. Davis. (For sale.) 1586 Specimen of Marble Paper Hanging. Deposited by Mr BARRON, 68 Strand. 88 1587 A Specimen of Woolfs Chalk Pencil Drawing. 1588 A Rustic Table. 1589 Glass working, by the Bellows and Lamp. The manu- facture of a great variety of Fancy Articles is con- tinued throughout the day. 1590 Specimen of Marble Paper Hanging, manufactured by Saunders and WooUey, Regent street. 1591 A Landscape. By Francisco Robertelli. (This and the following Paintings are deposited for sale.) 1592 Philomene, the daughter of Ponteon, King of Athens. 1593 Our Saviour bearing the Cross. By Giotto. 1594 A Madonna and Child. 1595 A Marine View. By Rultz. 1596 Our vSaviour. By Divino Morelis. 1597 Shepherds and Cattle. 1598 An Incantation. 1599 A Portrait Painter. 1600 A Landscape. By Francisco Robertelli. 1601 A Caricature of Pope Lambertine. By Salvator Rosa. 1602 An Engraving — the Queen of Heaven. 1603 Ditto — Girls at the Fountain. 1604 Ditto— Poetry. 1605 A Painted Table. Deposited (for sale) by A. MULLAR and Co., Edinburgh. 1606 A Ditto. 1607 A Chess Table, painted on Slate. Deposited (for sale) by Mr ARMER. 1608 A Painted Table. " 1609 A Specimen of Woolfs Chalk Pencil Drawing. 1610 An Engraving — Lord Fitzroy Somerset. Deposited by Mr BURGESS. Busts and Medallion Portraits are modelled in this room by Mr Rivers. PRINTED BY CHARLES REYNELL, LITTLE TULTENEY STREET.