Kingdom.] RAILWAY AND MARINE MECHANISM. 235
Nobti-i Areas A. B. 10 to 34 ; C. I). E. 1 to 10, & 19 to 33F. 1 to 32; Or. H. 1 to 13, & 19 to 26.
Mg. 1.
Smith and bon s High-pressure Fire Engine.
450 Nevill, John Patmore, 8 Crutched Friars —Inventor.
Model of a machine to work by hand in a ship's hold,for discharging loose cargo. When used for corn thebuckets serve as measures.
452 Selfe, Henry, Kingston , Surrey —Manufacturerand Inventor.
Common pump with reserve chamber; improvedvalves, and bucket of new construction. Models ofseveral useful machines on improved principles.
467 Beere, George, Gallaway House, Bath —
Manufacturer.
Archimedean screw for raising fluids; constructed withsquare canals.
468 Billinton, William, C. E., 31 Regent Street —
Proprietor.
Patent improved water-meter.
462 Roe, Freeman, 70 Strand — Manufacturer.
Hydraulic ram for raising water to the tops of houses,where a fall can be obtained.
[The hydraulic ram is a simple machine, containing apulse-valve ; a valve between the air-vessel and the bodyof the ram ; and by a falling column of water acting onthe pulse-valve closes it, thus letting a portion of waterinto the air-vessel. By a continuation of this action theair becomes compressed, and a portion of water finds itsway to the top of the column; it is beautifully adaptedfor the supply of small towns, mansions, farms, &c.]Fountain basins of iron, for pleasure grounds, with allkinds of ornamental jets. (North Transept.)
One of these fountains is shown in the cut.
pi
freeman Roe’s Ornamental Fountain.
George, 36 Biccadilly —Inventor.
471 Burgess, D., Glasgow — Manufacturer.Hydrostatic press.
472 Firth, Thomas, Huddersfield —Manufacturer.Plates of machines in gilt frames. Working model of
improved hydraulic press, with indicator and check.Hydrostatic press.
474 Downton, J., 4 Conant Place , Commercial Road ,Limehouse —Patentee and Manufacturer.
Patent engine-pump, used in the Navy; the principle ofwhich consists in its having three boxes working in thesame cylinder, with a three-throw crank, by which meansa continued stream of water is kept up.
475 Clunes, T., 100 Lock Street , Aberdeen —Inventorand Manufacturer.
Registered rotatory pump, that will act either as acommon lift or force pump, and may be applied withadvantage for a portable fire-engine, &c.
47 6 Little, Major Robert J., 4 Queen’s Terrace ,Woolwich Common —Inventor.
An improved watercock, with double plug, for connect-ing pipes without breaking joints, with sectional draw-ings of the same. Designed by the exhibitor, and manu-factured by Frost, Noakes, and Vincent, 195 Brick Lane,Whitechapel.
478 Lambert & Son, Short Street, Lambeth—Manufacturers.
Union joints and water-taps, with a new application ofvulcanized caoutchouc. Locomotive and steam fittings.
Description of the patent vulcanized India-rubber watertaps: a is the body of the valve ; b is the cover; c is theflexible diaphragm, confined at its edges, serving the pur-pose of a stuffing-box; d is the valve, which is held to itsseating by the pressure of the water e is the handle orknob, by means of which the valve is opened; by thisarrangement it cannot be left open: there are othermethods for opening and closing the same; the arrowsdenote the waterway when open.