| Description | Water Works Engines (20 items). 1085. The New River Co., Amwell (IO). Jul., Nov., Dec. 1846, Apr. 1847, Jan. 1849, Sep. 1859. 20 items. 24 horse power independent crank engine, with [26 inch cylinder], 5 foot stroke, parallel motion, [cast iron beam, cast iron connecting rod]. Plan and sections of proposed vertical or 'direct-acting' engine and boilers - partially coloured reverse drawing. Reverse plan of the engine and boiler houses, longitudinal section of the engine house and plan of the tunnel, longitudinal section showing pump gearing, longitudinal section of the boiler (partially coloured), transverse section of the engine and boiler houses (partially coloured), transverse sections of the boiler (partially coloured); plan and sections of the boiler, general arrangement of engine and boiler showing steam and feed pipes - coloured original and reverse drawings; spur wheel and pinion (also used for Tottenham Court Road 50 horse engine), pump - partially coloured reverse drawings; gearing for working pumps - partially coloured original and partially coloured reverse drawings (the reverse drawing is marked "sketched and drawn by A. Samuelson"); spur wheels for pump work - partially coloured original drawing. These drawings all bear letter codes. Also the following uncoded and rough items: Tracing of the engine and boiler houses etc. marked "Proposed Engine House etc. for Amwell" (this drawing shows the independent engine and not the vertical engine initially proposed); sketch of clack seat for 17 inch pumps; small sketch of firing front with ventilatory doors, with press copy, Sep. 1859. Original Portfolio or 'Book' No. 971. Catalogue of Old Engines p. 182. For The New River Co. Pumping engine, Amwell, Hertfordshire.
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