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109 WILLIAMS, CADOGAN, Bridgend, Glamorganshire, should be made of two folds, one over the other, cemented Wales—Inventor.

together with the boiling mixture. Models of machines for pressing, tearing, and clearing Inodorous felt, for damp walls, and for damp floors, the surface of land; for grubbing; for breaking stones under carpets or floor-cloths. for roads; for working the surface of land and mixing Patent felted sheathing, for covering ships' bottoms, &c. manure with it; and for preparing land for planting sugar- Dry hair felt, for covering steam-boilers, pipes, &c., canes in it.

preventing the radiation of heat, and saving 25 per cent. Specimen of artificial stone for lining water tanks and of fuel. pools. Model of a filter. Models of pumps on a new principle.

111 WILLETT, FRANCIS, 5 Edward Street, Portman Model of a new plan for raising weights, and propelling

Square—Proprietor. vessels, so that emigrants might assist to expedite their Models in timber and slate; in timber and glass; and voyage.

in glass and iron; with diagram to show the principle of Model of a plan for taking carriages over the Avon, “ Taaffe's patent” for the roofing of houses and other and of a plan for making a footpath under the iron bar buildings. across the Bristol river, at Clifton, without interrupting Williams's patent locks, without a keyhole. its navigation.

Hints for fire-escapes, and removing soot from chimneys 112 THOMPSON, F. jun., C.E. Water Works Chambers, by an artificial current of air; for economising heat, and

Orange St., Leicester Square—Inventor. for boiling water by means of a current of air.

New apparatus for economising the consumption of

gas, and increasing its powers of giving light; it may be 110 CROGGON & Co., 2 Dougate Hill, City-Inventors.

attached to any existing gas fittings. Patent asphalte roofing felt, particularly applicable for warm climates. It is a non-conductor. It is portable,

113 WILSON, THOMAS HOOD, Trickenham

Inventor. being packed in rolls, and not liable to damage in carriage. It effects a saving of half the timber usually required.

Slides on a pair of folding doors, for excluding the It can be easily applied by any unpractised person. From wet and the cold from hall doors and shutters; also for its lightness, weighing only about 42 lbs. to the square of hatchways and portholes of ships. 100 feet, the cost of carriage is small. The felt can be Invention for securing carriage gates and coach-house laid on from gable to gable, or across the roof from eaves doors, being self-acting; stops and bolts for the same. to eaves. It is essential that it should be stretched tight and smooth-overlapping full one inch at the joinings, 114 DOBSON, JOHN, Newcastle-pon-Tyneand closely nailed through the overlap, with twopenny

Designer. fine clout nails (heated in a shovel, and thrown when hot, Model of the roof erected over the passenger shed of into grease, to prevent rust), about 1} inches apart, but the Newcastle-on-Tyne Central Railway Station. copper nails are preferable. The whole roof must have Model of a roof for Messrs. Smith's ship-building yard, a good coating of coal tar and lime (about two gallons of St. Peter's, near Newcastle-on-Tyne. the former to six pounds of the latter), well boiled Model of a rolling machine, designed by Mr. Thomas together, kept constantly stirring while boiling, and put Charlton, used in rolling iron for the circular principals on hot with a common tar mop, and while it is soft some of the passenger-shed roof of the Central Railway coarse sharp sand may be sifted over it. The coating Station. must be renewed every fourth or fifth year, or more or Model of original design for the portico and arcades of less frequently, according to the climate. The gutters the Central Railway Station.

North GALLERY, AND WITH CLASSES 5 & 6.

115 PRATT, HENRY, St. Sirithin Street, Worcester- 125 MACKENZIE, J. S., Newark-upon-Trent-Inventor. Inventor.

The vulcan spring for closing doors, &c. Design of a mill and new power machine for various purposes.

126 MACKIE, WILLIAM, 141 Lover Bugot Street, Wooden model of the building, with drawings and ex

Dublin-Inventor. planations.

Patent safety window fittings, which may be applied to

old or new sawhes. 116 McCLELLAND, D., 3 Palace Ver Road, Lambeth--Producer.

127 ROBERTS, B. E., 2 Nelson Place, Clifton, near Model of roof of 100 feet pun. Scale } inch to a foot.

Bristol Inventor.

Newly-invented safety window-sash, to obviate the 117 BARCLAY, Joun, Tongue, by Goldspie, Scotland

necessity of cleaning or painting the glass or frames, &c., Designer and Inventor.

on the outside of the house. The window sash may be A portable pressing machine, designed for copying taken out and again replaced in its air-tiylit groove with letters and for other purposes.

the usual beadings, Model of a wooden float bridge and appendages; applicable to narrow straits or rivers in calm situations.

128 WILLIAMS, L., 14 lpper Marylebone Street, Portland Mechanical time and tide tables, for ascertaining the

Place--Inventor and Manufacturer. number of days from any period in one year, to any Man-help, made of iron, to hold a painter's brush to other period in the same or following year; the day of

paint ships, houses, &c. the week or month; the state of the tide at any given

Registered concave-bottom tea-kettle and stand, of tin port; the moon's age, &c.

and copper, to boil water in five minutes.

Improved safety cot for children, 118 TUTTON, JOHN, 20 South Amlley Street, Grostenor Spure--Inventor and Patentee.

129 BRAMHALL, Thomas, 1 Union Street, St. George's Rd., Models of patent improvements in the construction

Southwark-Inventor and Manufacturer. and arrangement of the window spaces of dwelling- Iron and zinc plate machine-"the anti-boreas," an houses. A window fitted up to combine a water-closet, a invention to assist the draught, and prevent the downward washhand-stand, and a dressing glass, representing, when current in chimneys; intended to cure them of smoke. shut, a neat piece of cabinet furniture. A window titted up as a knee-hole writing-table, with

130 Brown, ROGER, Shei ell, Yorkshire-Designer and drawers, &c., for papers, which may be rendered fire.

Manufacturer. proof. The exterior has a sunk flower-box, with glass

Model of magnetic lightning conductor (scale half size), shade, applicable to different forms of windows.

with weather vane. Mounted upon a sectional model of

a church spire, showing an improved mode of securing 119 WALKER, E., ('ardington Street, Hampstead Road - perfect and continuous insulation of the electric rod, Inventor.

without which a building is endangered. Patent wire window blinds.

The conductor at the apex of the spire has twenty-five

quadrangular magnetic points, diverging at various angles, 119A SMITH, J., 50 Bartholomew Close-Inventor.

by which the sphere of their attractive influence is greatly

multiplied; all lateral discharge is prevented, and the Model of a door.

conductor prevents any accumulation over a vastly.ex.

tended circuit, within which it exercises absolute control. 120 Every, Simon FREDERICK, Quornilon, near Derby

Five-pointed diverging magnetic conductor (full scale Inventor and Manufacturer.

detached). Mounted upon an electric rod; intended for Patent Vulcan chimney-sweeper.

Circular and oblong chimney-sweeping machines. Ob mansions, engines, chimneys, and general application. long self-adjusting machine, for sweeping difficult chim.

131 BAYLISS, T., 273 Strand- Inventor. neys. Full-sized drawing, representing one of these machines

Specimens of fire escapes. in action.

132 HOLLAND, THOMAS, 40 South Aulley Street 121 NEALE, W. J., 30 Bisinghall Street--Hon. Sec. to

Inventor. Chimney-suecping Machinery Committee-Producer. Improved brass cock for kitchen boilers &c., giving out Prize machinery for sweeping chimneys.

hot and cold water, and filling itself. Prize plans and estimates for altering, at the least ex- Shop front with improved shutters, adapted for sunpense, in conformity with the Act of Parliament, difficult blind, sign-board, and other purposes. and awkward chimneys.

Three-wheeled almanack.

122 ALLAN, JAMES, sen., Glasgow Manufacturer. 133 English's Patent CAMPHINE COMPANY, HullPortable apparatus for the manufacture of gas from

Producer. resin, having a steam-boiler for the purpose of cooking minous substances, and for the prevention of smoke;

Model of an apparatus for generating heat from bitufood for cattle, heating conservatories, halls, &c.

Gas candelabrum of cast-iron with globes, adapted for applicable to furnaces, boilers, &c.: and for enabling vestibules, halls, &c.

railway locomotives to be driven by the use of small coal

as well as they are by coke. 123 Ness, Mary, 2+ Mold Green, HuddersfieldInventor,

134 Booth, GEORGE ROBINS, 9 Portland Place, Window-cleaner, for the protection of female servants

Wandsvorth Road- Inventor and Manufacturer. from fatal accidents and public exposure, by enabling

Vegetable gas apparatus, for lighting private buildings, them to work from within the apartment.---Provisionally public halls, &c. The novelty consists in the mode in registered.

which the apparatus is made and in the substances used

for the production of the gas, in order to ensure greater 124 HILL, ORMOND & JULIAN, 37 Great George Street, cheapness and purity. It is stated that an apparatus for Westminster--Improvers.

affording 50 lights for 24 hours would not require more Modification of Dr. Arnott's ventilating curtain pump, fuel than a single spadeful of coke or cinders per hour. arranged so as to be worked by a weight and to be The gas may be used without injury to furniture, silks, portable.

books, pictures, or gilded ornaments.

North GALLERY, AND WITH CLASSES 5 & 6.

137 SAMPSON, THOMAS, Landore, near Sicanser,

Specimen of patent asphalted roofing felt; composed of Glamorgunshire-Inventor.

a mixture of flax and hair, saturated with mineral bituA high-pressure steam-boiler, with self-feeding appa- mens, and finished by machinery. ratus and still, for generating steam and for chemical Samples of the asphalted felt in various stages of mapurposes in general.

nufacture, and in application to various useful purposes. The water is admitted into the boiler without pumping, Specimens of patent thin ship sheathing felt, for use by simply moving a hand, similar to the hand of a clock, under copper. Sample of a thicker description used under one quarter of a revolution.

wood sheathing A retort for generating gas, or for chemical purposes, Samples of very thick hair felt, for clothing the boilers, with a revolving agitator to keep the charge in motion. pipes, and cylinders of steam-engines. The same, prin

A condenser for gas, so constructed that by opening cipally used by builders for deadening sound in thin parone joint, the whole of the condensing surface is rendered titions, under floors, for placing under slate, zinc, or lead visible, and is within reach, for the purposes of cleansing: flats to top rooms of houses. Section of roof, illustrating the condensed liquor is discharged at five different pipes, the economical construction of wood-work for the appliso that five different qualities are produced by the same cation of the asphalte roofing felt. operation.

143 ROCK, J., jun., Hastings, Sussec-Inventor. 139 VAUGHAN, WILLIAM, MuulstoneInventor.

Model of a street barricade. Machine to facilitate the construction of marble, stone, slate, or other chimney-pieces by economising labour, 144 ANDERSON, GEORGE, Rothbury, Northumberland and insuring accuracy in the work.

Inventor and Manufacturer. The present mode of adjusting the several pieces of a

Model of an improved window. The sashes are so conchimney-piece jamb, is, by the use of wooden gauges, prepared to the various dimensions required, and by will come down. The outside shutters to slide behind

structed that by lifting the bottom sash up the top one squaring up the sides (inside-slip and outground) from the stone or brickwork, and the inside to slide on the the face of the jamb, then temporarily fixing them with floor, and behind the architrave. The roller for sunsquare blocks against each outside, till the whole is

blind to be hid, and work up and down with one cord. secured with plaster of Paris and pieces of stone fixed inside the jamb. For every jamb the same operation has 145 LowE, GEORGE Gregory, 2 lligh Street, Portland to be performed.

Town Inventor. In this machine provision is made for constructing jambs, varying from 6 inches to 14.5 inches in for the rapid and entire discharge of its contents

, this

Self-cleansing sanitary cistern. By affording facility width, by moveable standards fitted accurately in the invention proposes to prevent the accumulation of filth grooves of the brass plates which are fixed flush with and sediment in house cisterns; and, by conducting the the face of the slate. These standards render the use of waste and discharge pipes into the house drain, both to a square unnecessary; The graduated plates supersede preclude local dampness arising from overflow, and effecthe necessity of a rule, and the triangular brass gauge tually to cleanse the latter by constant flushing. not only dispenses with the use of all other gauges, but

Though the cylindrical form of cistern with a conical ensures great accuracy.

base is, in all cases, preferable, the principle of this inThe transverse and longitudinal stops being fixed to

vention is equally applicable to any other form which the required heights above the top of the front of the jamb, and the ends of the side pieces being placed against may be topically convenient, and to any material used in

the construction of cisterns. them, exact provision is made for the depth of the capping and frieze to be afterwards fixed thereon.

146 For the construction of the jamb to the opposite hand,

QUINCEY, HARCOURT, 82 Hatton Garden

Inventor and Patentee. it is only necessary that the longitudinal stop should be placed as much below the centre line on the graduated with patent convex laths (one fixed above and one under

Working model of two revolving iron safety shutters, plate as it now is above. remaining unaltered, both jambs will necessarily have the the window), with improved gearing; and of a patent corsame form and dimensions.

rugated office blind of perforated metal. Brass model of When several chimney-pieces of the same dimensions

a dwarf Venetian blind, with patent convex perforated

laths. are required (a common circumstance), the whole number of jambs may be put together without moving any

Registered ornamental and self-supplying pedestal coal other part of the machine than the longitudinal stop once;

vase, presenting for use only sufficient coals to charge the thus ensuring, not only the same form in them all, but hand scoop, when a fresh supply is given from the upper effecting an important saving of time.

chamber. Patent hand lamp, for burning solar or comThe box gauge, which may be applied to any width of

mon oil; and table lamp, for burning solar or common chimney jamb fitted within the standards, presses the oils, with patented folded shade. Plaster model of a fireinside-slip and outground against the standards, thus place in Buckingham Palace, preventing any derangement of the several pieces, whilst they are being fixed together with pieces of stone and

147 THEOBALD, JOHN, 21 Brunswick Street, Blackfriars

Road-Inventor. plaster of Paris.

Improved window-sash, capable of being cleaned from 140 FARRELL, Isaac, 210 Greut Brunswick Street, Dublin the inside, with prevention against thieves, an alarum, -Manufacturer.

and a fire-escape. Model of a registered circular window, 141 HARPER, THOMAS, 15 Upper Seymour Street West

148 WALBY, JAMES, 59 Greek Street, Soho SquareInventor.

Inventor. Model of a window, designed to serve as an entrance

Universal fire-escape. to a garden or pleasure ground ; presented to the Royal

The novelty of the plan is stated to be that of passing Dublin Society by the exhibitor.

persons from the window of the house on fire to the near

window of the neighbour's house adjoining, in a direct hori142 M‘NEILL, F., & Co., Bunhill Row, Finsbury- zontal line, right or left, in lieu of lowering them down as Manufacturers.

in the ordinary way. This is accomplished by having Specimen of the mode of applying waterproof bitumi. bracket-hooks of a peculiar construction, projecting nons felt for lining damp walls.

about 12 inches from the face of the brickwork, perPattern of a frame and covering of asphalted felt for manently fixed to the front of the house at the uppergardeners'i orcing-pits, to protect plants from frost, as a most floor, by passing the end or stem of the hook through substitute for Russia mats.

the brickwork, and screwing it up tight by plates and

North GALLERY, AND WITH CLASSES 5 & 6.

nuts inside. By the assistance of the neighbour at the 157 Wilkins, William CRANE, 24 Long Acre, and adjoining window, a rope is attached to the hooks ; a

T. LETOURNEAU, 37 Allée des Veuves, Paris, basket or cradle (which traverses upon a friction-roller)

Inventors and Manufacturers. is then hung upon the rope, which, by the person therein Improved patent revolving catadioptric apparatus of placed, or by a person at the adjoining window, with the short eclipses, for a lighthouse of the first class. Repreassistance of a hook stick provided for the purpose, may sented in fig. 1. be moved forwards or backwards as the case demands.

Fig. 1. 150 IRISH ENGINEERING COMPANY, London Office,

11 John Street, Adelphi- Producer. Finch and Willey's patent safety railway wheel. The peculiarity of this wheel consists in the rim of the skeleton or inner wheel being firmly imbedded in a dovetailed recess in the tire, throughout its whole circumference, rendering all other fastening, as bolts, &c., unnecessary, and preventing the possibility of accident from the breakage or throwing off of the tire. The tire can also be worn much thinner than ordinary. 151 ALLEN, T., Clifton, ne ir Bristol--Inventor

and Manufacturer. Model of registered iron roof, scale of 2 inches to 1 foot, with drawing, showing the principle applied to a roof of 60 feet span, fire proof, with iron battens, and new mode of securing the slates. 152 BUNNETT, JOSEPH & Co., 26 Lombard Street, City,

and Deptford, Kent-Inventors, Patentees, and

Manufacturers. New patent curvilinear lathe-revolving iron safety shutters. The same in principle as Bunnett's original patent iron shutters.

Ornamental brass window, formed of patent brass sash bars and mouldings.

Patent ventilating sashes, for admitting fresh air into a room, without creating draughts.

Patent brass and other metal sash-bars and mouldings.
Improved joiners' bench cramp.
Improved flooring cramp.

Patent self-acting doubly-trapped water-closet; which, without cistern, may take its supply of water from any source at a sufficient elevation, or may be laid directly on to the main (if always charged).

Patent improved ship's water-closet, for use below the water line, which may be fixed with or without a cistern.

Patent improved ship's water-closet, for use above the water line, which may draw its supply of water from the sea by a double-action pump, or may be used with a cistern.

Patent self-acting effluvia-traps for sewers, drains, &c.

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155 TROTMAN, SANDERS, Clarendon Road, Notting-hill

-Inventor and Manufacturer. Fountain for drawing and dining rooms, or boudoirs; requiring no supply laid on, or waste carried off, mechanical pressure forcing the water through the jet, which again falls into the reservoir, with the addition of a musical arrangement.

Night dial. A lamp is suspended upon a lever, the light from which is thrown upon each hour as it arrives.

Printing on glass for ornamental purposes, such as glazing conservatories, windows, &c., and for philosophical purposes, such as dissolving views, &c. Coloured printing on glass. 156 WHYTOCK, ANDREW, 494 New Oxford Street-

Manufacturer. Model of emigrants' house, about one-fourth full size, made of Morewood and Rogers' patent galvanised tinned iron, corru ted.

The full size weighs about half a ton, and can be packed in two cases. When once seen put together, it may be erected by two persons in as many days.

Furniture of the house, made chiefly of the same material.

Table and chairs with camp legs. Bath, answering the purpose of a sofa, or a bedstead, which can be solidly packed.

Stove for warming and cooking.

Wilkins and Letourneau's Catadioptric Apparatus. That appearance of light, called short eclipses, has hitherto been obtained by the following arrangements:

North GALLERY, AND WITH CLASSES 5 & 6.

An apparatus for a fixed light being provided, composed and in stormy weather, when accidents are most likely of a central cylinder and two zones of catadioptric rings, to occur, quite unapproachable; so that it will be obvious forming a cupola and lower part, a certain number of any alteration which reduces the liability to derangement lenses are arranged at equal distances from each other, is greatly to be appreciated. placed upon an exterior moveable frame, making its revo. lution around the apparatus in a given period. These

Fig. 2. lenses, composed of vertical prisms, are of the same altitude as the cylinder, and the radius of their curves is in opposite directions to those of the cylinder, in such a manner that at their passing they converge into a parallel pencil of light; all the divergent rays, emitted horizontally from the cylinder, producing a brilliant effect, like that obtained by the use of annular lenses at the revolving lighthouses.

The first improvement exhibited has a special reference to the light, and produces a considerable increase in its power, whilst the simplicity of the optical arrangements is also regarded. It consists, firstly, in completely dispensing with the moveable central cylindrical lenses. Secondly, it replaces these by a single revolving cylinder, composed of four annular lenses, and four lenses of a fixed light introduced between them; but the number of each varying according to the succession of flashes to be produced in the period of revolution.

The second improvement, of which already some applications that have been made serve to show the importance, consists in a new method of arranging the revolving part, experience having shown that the arrangements at present in use are very faulty. A short time is sufficient for the action of the friction rollers, revolving on two parallel planes, to produce, by a succession of cuttings, a sufficiently deep groove to destroy the regularity of the rotatory movement. To obviate this great inconvenience, the friction rollers are so placed and fitted on an iron axis, with regulating screws and traversing between two bevilled surfaces, that when an indentation is made in one place, they can be adjusted to another part of the plates which is not so worn.

The third improvement produces the result of an increase of the power of the flashes in revolving lighthouse apparatus, to double what has been obtained hitherto. By means of lenses of vertical prisms, placed in the prolongations of the central annular lenses, the divergent rays emerging from the catadioptric zone are brought into a straight line, and a coincidence of the three flashes is obtained.

The whole of the prisms, lenses, and zones are mounted with strength and simplicity, accurately ground and polished to the correct curves, according to their respective positions, so as to properly develop this beautiful system of “Fresnel.” The glass of which they are composed is of the clearest crystal colour, and free from that green hue which so materially reduces the power

je of the light, and is considered objectionable for apparatus of this kind. The lamp, by which the apparatus is to be lighted, consists of a concentric burner with four circular wicks, attached to a lamp of simple construction, the oil being forced up to the burner by atmospheric pressure only, so that there are no delicate pumps or machinery to become deranged.

Improved lantern and revolving apparatus for a lightvessel, represented in fig. 2. The principal improvement consists, in constructing the machinery to work beneath the deck, instead of in the lantern as formerly. A vertical rod, working in metal bearings, is attached to the mast, with a large gun-metal pinion fixed to the top of the rod, at the height to which it is necessary to hoist the lantern, wherein a train of cog-wheels are placed to connect with the pinion, and communicate the motion obtained therefrom to the traversing apparatus that supports

Wilkins and Letourneau's Lantern. the lamps and reflectors. The advantages of this arrangement are, that the lanterns can be made much lighter, There is also an advantage derived from the novel the rolling of the vessel caused by so great a weight at construction of the lamps and gimbal work which, by a the mast-head is greatly diminished, and the machinery movement, exactly coinciding with the motion of the being more under control and better protected, works vessel, causes a perfect level to be always maintained, with greater regularity and precision.

and ensures the proper flow of oil to the burners, howAn idea of the utility of these improvements may be ever irregular that motion may be. This improvement gained by reflecting that the situations in which the is not of so recent an introduction as the former, but light-vessels are placed, are at all times difficult of access, when it was first invented by one of the exhibitors it pro

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