| Description | 10 horse power double-acting sun & planet engine, with 17½ inch cylinder, 4 foot stroke, parallel motion. Power increased to 13 horses 1792/1793.
Includes coloured original and reverse general view of the engine, coloured original and reverse plans and sections of the engine and boiler; boiler - coloured original and reverse plans and sections; reverse plans and sections of the engine house marked "from Gilbert's"; parallel motion - coloured original and reverse copy; working gear - coloured original and reverse front and side views marked "from Gilbert". All the drawings bear letter codes.
Original Portfolio or 'Book' No. 129. Catalogue of Old Engines p. 42.
For Robert Bayly of Clifton, John Bettington Jr. of St. Phillip & St. Jacob, Bristol and John Bettington of Temple, Bristol, lead manufacturers and carpenters. Lead works, Lawrence Hill, in the parish of St. Phillip & St. Jacob.
See also: Engine Agreements, Incoming Correspondence. |