| Description | Crank Engines. (6 items).
251. Pontop Pike Colliery. Jan. 1796. 6 items.
20 horse power double-acting crank engine, with 24 inch cylinder, 5 foot stroke, parallel motion.
Direct copy drawings of framing and cistern; man hole pipe, grate and bearer bars, damper plate and frame, small cross-section of boiler, boiler steam pipe and socket, fly wheel (marked "This fair copy made Jul. 1827"), brake wheel and winding barrel (coloured) - all reverse. All the drawings bear letter codes.
Original Portfolio or 'Book' No. 249. Catalogue of Old Engines p. 98.
For Pontop Pike Colliery, County Durham. Winding engine. The proprietors were: John Gray of Newcastle upon Tyne, who ordered the engine; John, Marquis of Bute; Francis, Marquis of Dartford, and John Simpson of Bradley, County Durham.
See also: Engine Agreements, Incoming Correspondence (letter from John Gray, 12 Nov. 1796). |