| Description | Bell Crank Engines (3 items).
6 horse power bell crank engine, with 16 inch cylinder, 2 foot stroke.
Reverse cross-section of the engine and boiler houses, plan of the engine and boiler houses showing winding planes, longitudinal section of the boiler, longitudinal section of the engine and engine house; reverse drawings of winding apparatus - wheels, rings, spur wheel, shaft etc. All the drawings bear letter codes.
Original Portfolio or 'Book' No. 549. Catalogue of Old Engines p. 254, 294.
For George Houstoun. Colliery winding engine, Johnstone, Renfrewshire.
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