| Description | Bell Crank Engines (2 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 showing winding planes, longitudinal section of the engine and engine house, longitudinal section of the boiler. All the drawings bear letter codes.
Original Portfolio or 'Book' No. 549. Catalogue of Old Engines .
For Sir John Hope, ordered by his agent John Grieve. Colliery winding engine, Cairnie Pit, Inveresk, Edinburgh. This engine drove vertical winding planes. This was the first 6 horse bell crank engine ordered for Cairnie Pit [see Portfolio 5/760 for letters from Grieve requesting an engine erector for this engine, Portfolio 5/752b below for the second].
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