| Description | Bell Crank Engines (7 items).
6 horse power bell crank engine, with 16 inch cylinder, 2 foot stroke. Engine altered and second boiler added 1815.
Reverse plan of the engine and boiler house; reverse "2nd sketch of plan of engine, boiler etc."; coloured original and reverse general view of the engine and cross-section of the boiler, longitudinal section of the boiler, view of framing for inner neck of crank shaft, plan of the engine and boiler seating, edge view of fly wheel (2 sheets each with 5 drawings); sketch of shaft; letter from H. & G. Austin dated Wotton, 20 Oct. 1802, with rough sketch plan of the engine house and shaft.
Also reverse side view of the engine and cross-section of boilers, plan of the engine and boilers "in which the Engine & Boilers are supposed closer together than they were formerly", longitudinal section of boiler, cross-section of engine platform, Aug. 1815 (4 drawings on 1 sheet). The reverse and coloured original drawings bear letter codes.
Original Portfolio or 'Book' No. 480. Catalogue of Old Engines p. 252.
For H. & G. Austin. Woollen manufactory, Wotton-under-Edge, Gloucestershire.
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