| Description | Bell Crank Engines (2 items).
4 horse power bell crank engine, with 13 inch cylinder, 2 foot stroke.
Reverse general view and plan of the engine and boiler; sketch plan of the engine and boiler sent by John Rennie, 7 Oct. 1801. The reverse drawings bear letter codes.
Original Portfolio or 'Book' No. 448. Catalogue of Old Engines p. 252.
For Wilson & Jackson. Anchorsmiths etc., Bankside, Southwark, London.
See also: Incoming Correspondence (from John Rennie).
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