| Description | Bell Crank Engines (4 items).
6 horse power bell crank engine, with 16 inch cylinder, 2 foot stroke.
Reverse plan of the engine and boiler houses, cross-section of the engine house, longitudinal section of the boiler, cross-section of the boiler and longitudinal section of the engine house; pencil sketch plan of the mill by William Murdock showing water wheel and mill pool, proposed engine house etc. The reverse drawings bear letter codes.
Original Portfolio or 'Book' No. 585. Catalogue of Old Engines p. 256.
For Thomas Jarvis. Woollen manufactory, Bratton, near Westbury, Wiltshire.
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