Kingdom.] RAILWAY AND MARINE MECHANISM. 247
Nokth Areas A. R. 10 to 34 ; C. D. E. 1 to 10, & 19 to 33 ; P. 1 to 32; G. II. 1 to 13, & 19 to 26.
Compressed wooden treenails and keys, for railwaychairs, and previous to compression.
Patent compressed ship treenails, in various stages.Chilled cast-iron pedestal, or axle bearing. Brokenpedestal, showing the depth to which the chilling haspenetrated.
641 Coalbrook Dale Company, Shropshire —Manufacturer.
Square, round, flat, half-round and oval, bar iron;angle T and girder iron; sash bar and moulding iron;tire iron; engine-floor, and foot-plate iron.
Specimens of tires and axles of above manufacture, bentcold, in a variety of forms, to show toughness and superiorquality.
Specimens of 28 different kinds of improved patentaxletrees, for carriages, phaetons, omnibuses, cabs, drays,and other vehicles, manufactured upon the newest andmost approved principles, from best double-faggotedKirkstall iron.
A self-acting regulating damper for high-pressureboilers.
A registered improved moveable eccentric tumbler,for the valves of steam-engines.
642 Parsons, Perceval M., C.E., 6 Duke Street, Adelphi—Patentee and Designer.
Patent switches adapted to the ordinary double T
Single patent switch, adapted to Barlow’s patent broadflange rail.
Patent crossing for railways, adapted to the ordinarydouble T rail.
Normanville’s patent axle-box. The lower chamber?f the axle-box, which contains the journal and bearing,is cast in one piece, and closed by means of an apparatusfitted to it, for the purpose of excluding grit or dirt, andPreventing the waste of grease.
Patent machine for dressing mill-stones, with a mill-s tone to illustrate its action. With the aid of this ma-chine, it is stated that a boy can dress a pair of stones inmss time and with greater ease than a millwright on the°ld plan.
643 Baines, William, Birmingham —Inventor.
An improved railway switch. The mode of forming thetongue of this switch gives it stiffness and a broad base toslide upon; when closed, it is locked under the main rail,tL • ^ le P 0 ™! prevented from rising. The tongues cleartheir own track, by chiving the dirt under the main rail,ithd not against it, as in the old switch. The cost ofconstruction is less than in the ordinary mode of forminghe tongue, which prevents them shutting close, obviatinghe necessity of personal attendance to keep them inworking order, and also the liability of accident if ne-glected.
An improved joint chair, the object of which is to sup-port more firmly the joints of the rail.
An improved intermediate chair. The two jaws of thechairs are made exactly alike, and are oblique, instead ofopposite to each other. The chairs are slipped on diago-and when brought to right angles support the rail
nhout any key or wedge.
644 Kennard, R. W., Falkirk Iron Works, Scotland , and67 Upper Thames Street, London —Manufacturer.
peciruens of various switches.
^45 Biddulph, John, Cwm Avon Works, Taibach,South Wales —Manufacturer,large flanch rail, 63 feet long, 56 lbs. per yard.lle srQa H flanch rail, 4 lbs. per yard.
^46 Beecroft, Butler, & Co., Kirkstall Forge , Leeds ,and S Faneras Lane, London— Manufacturers.
Specimens of railway wheels and axles, particularlyadapted for express and fast trains, viz., entire wrought-u°n wheels, with solid wrought-iron bosses, forged monepiece, with single and double spokes respectively.
Specimens of the same, with wrought-iron disc centresaud wrought-iron bosses; the tires of the latter beingdovetailed to the discs to supersede rivets and insuregreater safety.
Specimens of wrought-iron wheels, with wrought-iron
spokes, and cast-iron centres, for ordinary and othertrains.
All the above wheels have tires, combining hardness ofsui face with toughness of texture, and double-faggotedaxles of improved Kirkstall manufacture.
647 Derwent Iron Cosipany, Shotleg Bridge,Newcastle —Manufacturer.
A rolled malleable iron-beam plate, used* in the con-struction of marine engines, 17 feet 1J inch long, 4 feet6 inches broad, and l£ inch thick, weighing 1 ton 5 cwt.
A rolled malleable iron plate, used in the building ofiron ships, 20 feet long, 3 feet 6 inches broad, 5-8ths ofan inch thick.
A piece of rolled keel iron, used in building ironships.
A railway bar, measuring 66 feet 9 inches in length,88 lbs. to the yard, and weighing 17 cwt. 1 qr. 26 lbs.
A railway bar, 65 feet 9 inches long, 12 lbs. peryard.
648 Richardson, J., 9 Woburn Buildings, TavistockSquare, St. Faneras —Designer.
Table of the weights of wrought iron in ounces anddecimals, from J of an inch square to six inches by threeinches, extending to 1,058 different sizes, advancing suc-cessively by 1 -8tli of an inch in each dimension of breadthand thickness. Also the weights of round iron of all thesizes usually manufactured, to six inches diameter. Andthe weight of hoop iron to six inches wide, advancing byone-sixteentb in thickness.
649 Mersey Iron Company, Liverpool— Manufacturer.Samples of patent rolled iron.
650 Leadbetter, James G., Gordon Street, Glasgow—Inventor and Patentee.
Patent inventions: — Canal-lift, or hydro-pneumaticelevator; a substitute for canal-locks. The same principleapplied to a ship-lift, a substitute for slip-docks and grid-irons; and to a wreck-lift, for raising sunken ships.Railway turn-table, or weighing-machine. Swivel-bridgeelevator. Furnace-lift. Crane . Tippling-machine. Air-pump.
651 Richardson, Robert, 39 Moor gate Street—Inventor and Patentee.
Patent “ fish joint” for rails.
Wrought and cast iron “ fishing pieces.”
652 Gompertz, Lewis, Kennington Oval— Inventor.
Railway trains constructed to prevent collision, bymeans of a lever curved two ways, which acts on all thewheels and projects beyond the carriage, which is met bya roller on the reverse side of the opposing carriage, so asto turn the one out of the other’s way.
Square carriage wheels, termed soapers, intended toprevent the obstacles and friction of the road,' and totravel with great facility and diminution of labour.Their object is to advance by steps as in walking, withoutjolting the carriage.
654 Cunningham & Carter, Addison Road, Kensington ,and at Sydenham —Inventors and Patentees.
Model of an atmospheric railway on a new principle,and models of carriages.