| Description | Crank Engines. (27 items).
278. The Honourable the Commissioners of the Navy, Portsmouth (N). Mar.-Jun. 1800, Dec. 1801, Feb., Mar. 1837. 27 items.
30 horse power double-acting crank engine, with 28? inch cylinder, 6 foot stroke, parallel motion, cast iron connecting rod. Engine altered 1837.
Also chain pump.
Coloured original and reverse general view of the engine, coloured original and reverse plans and sections of the engine and boiler (some of the drawings show the engine house); reverse sections and plan of the engine and boiler houses and framing, reverse drawings of the cistern, all dated Mar. 1800; reverse plan of the engine and boiler houses and cross-section of boiler dated Apr. 1800; fly wheel - reverse drawing; working gear - coloured original and reverse front and side views. All the drawings bear letter codes.
Also the following items: coloured plan and elevation of the proposed engine house, with "Remarks and References…" by Simon Goodrich, Mechanist, Inspector General's Office, Admiralty, 4 Mar. 1800; letter from Simon Goodrich dated Portsmouth Dockyard, 6 Apr. 1800, with his comments on Boulton Watt & Co.'s drawings of the engine house and the dockyard's intention to fuel the engine with waste wood chips and cinders from the smiths' forges; coloured ground plan of the engine and engine house with remarks on it, sent by Simon Goodrich from Portsmouth Dockyard, 22 Apr. 1800; letter from Simon Goodrich dated Portsmouth Dockyard, 11 May 1800, with observations on the situation of the boilers; small partially coloured plan of the engine house - direct copy of a sketch sent to Simon Goodrich, 28 May 1800; copy of drawings of boiler sent by the Commissioners of the Navy, Dec. 1801; coloured section of pump well and chain pump.
Also the following drawings from the 1837 alterations: general plan and section sent by the London office, 13 Feb.; reverse plans and sections of the engine, transverse sections of the engine house; sketch of pump rod [?]. The reverse drawings bear letter codes.
Original Portfolio or 'Book' No. 369. Catalogue of Old Engines p. 112.
For the Honourable the Commissioners of the Navy. Portsmouth Dockyard - the engine appears to have powered a chain pump and metal-working and other dockyard machinery. Frequently referred to as "The Navy engine", this was Boulton Watt & Co.'s first engine for a naval facility. The engine and engine house were altered in 1837. |