| Description | 24b. China Cartridge Factory, Frith Sands & Co. (NT). Apr. 1877, Apr., May, Jul. 1878, Jul. 1880. 26 items.
Horizontal high pressure engine, with 18 inch cylinder, 2½ foot stroke.
Also lead squirting apparatus, rolling apparatus.
"Design for a cartridge factory and rolling mill by James Watt & Co." - large coloured plan showing engine, boilers, machinery, rooms etc., Apr. 1877; plan of cartridge factory for China, showing engine, boilers, machinery etc. - partially coloured drawing, Apr. 1878.
Drawings of the engine and boilers, Jul. 1878:
Plan of the engine and boilers; longitudinal section of boiler and cross-section of engine (2 copies); longitudinal section of the engine (2 copies); front elevation of the boilers (2 copies); cross-section of the boilers; plan of the tunnels (2 copies). All partially coloured drawings, most bearing letter codes.
Base frame of engine - partially coloured drawing; details of cylinder, slide and expansion valves etc. - coloured drawing marked "Frith Sands & Co. 9"; details of cylinder - drawing on blueprint paper (this shows a 20 inch cylinder with a 3 foot stroke); fittings on boiler - coloured tracing; slide and expansion rods, crosshead for main slide valve - drawings on blueprint paper; "Porter's" governor; detail of crank shaft, general arrangement of governor gear, drain pipes - drawing on blueprint paper; expansion joint - partially coloured drawing. All these drawings except the first 2 items and the drawing of the governor bear letter codes.
Also plan and elevations of lead squirting apparatus - coloured tracing; plan and elevations of rolling apparatus - partially coloured drawing.
Also the following later item: detail of connecting rod - partially coloured tracing, Jul. 1880.
For a cartridge factory, China. Ordered by Frith Sands & Co.
See also: Portfolio 6/45 (glands for nozzle front cover).
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