| Description | Pumping and Canal Engines. (7 items).
Engine with 66 inch cylinder, 8 foot stroke, parallel motion, cast iron beam.
Reverse plan and sections of the engine house, plan of the tunnel, section and plan of 3 round boilers and chimney; upper end of the pump rod showing straps and bolts - reverse drawing; coloured plan and sections of the boilers marked "brought by Mr. Laing 16 Apr. 1816." The reverse drawings bear letter codes.
Also sketch plan of a winding engine and notes on rope; small sheet of calculations on various pumping engines.
Original Portfolio or 'Book' No. 693. Catalogue of Old Engines p. 294.
For Alexander Laing. Edmonston, near Edinburgh.
See also: 4/95 (Engine Order Book No. 9).
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