| Description | Water Works Engines (37 items).
1118. West Middlesex Water Works, Hammersmith, London (SW). Mar. 1814, Aug. 1824, Aug., Sep. 1825, Mar., Dec. 1826, Jan., Feb., Apr., Sep., Oct. 1827, Aug., Sep. 1831, May 1834. 37 items.
Single-acting engine, with 64 inch cylinder, 8 foot stroke, parallel motion, cast iron beam.
Reverse plan of the engine and boiler houses (showing 2 engines), longitudinal section of the engine house and cross-section of boiler (partially coloured), cross-section showing the pumps, cross-section of the engine house at the condenser cistern, plan of the tunnel (partially shaded), longitudinal section of the boiler house (with coloured original), cross-section of the engine house showing the column wall (with coloured original). All these drawings bear letter codes.
Reverse drawings copied from William Tierney Clark's drawings in the London office and sent to Soho, Sep. & Oct. 1827: plan of the engine house and boilers, longitudinal section of the engine house, cross-section of the engine house and transverse section of the boiler house, general plan of the engine and boiler houses showing this engine and the previous 2 engines.
Working barrels - partially shaded reverse drawing; working barrels and suction pipes - partially shaded original and partially shaded reverse drawings; working gear - coloured reverse front and side views; injection gear parts - shaded reverse drawing; parallel motion - partially coloured reverse drawing; outer end parallel motion - partially coloured original and partially coloured reverse drawings. All these drawings bear letter codes.
Also sketch of pumps and rods; parts of the working gear, working gear handles, damper lever, bracket, steam valve and rod - full size sketches; 2 sketches of steam pipes; sketch of water and land levels etc. - made from a report by Netlam & Francis Giles, Mar. 1814, with additions from Aug. 1824 and Sep. 1825; coloured plan of the premises showing the old engine house marked "from Mr. Clark's plan 3 Aug. 1824"; coloured "Plan of part of an Estate belonging to the West Middlesex Water Works Company, Hammersmith", showing old engine house, planned engine house, river Thames etc., marked "Design for a Double Engine with double boilers" and "Drawing sent by Mr. Clark Sep. 1825".
Also the following items re the new boiler: Partially shaded plan of boilers, elevation of pipes etc., coloured drawing of stop and safety valves, section of boilers and pipes etc., marked "Received at Soho 17 Aug. 1831"; sketch plan of the boiler bottom, Sep. 1831; sketches and notes for the boiler sent to the Foundry, Feb. 1832; "Copy of Correspondence with the West Middlesex Water Co. relative to our disputed account 14 Jan. 1831 to 12 May 1834" (book of transcripts of correspondence between Boulton Watt & Co. and William Tierney Clark, also letters from James Brown, G. P. Hubbuck, and correspondence between John Teesdale, Thomas C. Green and James Watt Jr. at the back).
Original Portfolio or 'Book' No. 804. Catalogue of Old Engines p. 180.
For the West Middlesex Water Co. Pumping engine, Hammersmith, London. This engine was in a separate engine house to first two engines erected in 1810 and 1814 [see Pfs. 1119a & b].
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