| Description | Bell Crank Engines (4 items).
3 horse power bell crank engine, with 11ΒΌ inch cylinder, 2 foot stroke.
Coloured original and reverse elevation and plan of the engine and boiler houses showing shafts, connection to mill work etc.; coloured elevation and plan of the frame, fly wheel, shafts etc. (sent to Boulton Watt & Co.?). All the drawings except the last item bear letter codes.
Original Portfolio or 'Book' No. 448. Catalogue of Old Engines p. 252.
For J. B. & Thomas Williams. Brewery, Bath, Somerset.
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