| Description | Crank Engines. (15 items).
328. Henry Coates & Co., Hull (C). 1800, Nov., Dec. 1802, Jan., May 1803. 15 items.
20 horse power double-acting crank engine, with 23¾ inch cylinder, 5 foot stroke, parallel motion, cast iron beam, cast iron connecting rod. 24 horse cylinder, slide valves, iron spring beams and new parallel motion added 1820.
Coloured original and reverse general view of the engine and boiler and feed apparatus, coloured original and reverse plan of the engine and boiler; small reverse sketch plan of the engine house and boilers; reverse plan and sections of the engine house, boilers and framing; eccentric working gear - reverse drawings; press copy sketch plans of engine house and boiler. All the drawings except the press copy sketches bear letter codes.
Also coloured drawings by Norman & Smithson: plan of the engine and mill apparatus, 1800 (this presumably depicts the old engine; plan of the engine house, engine and boiler; plan of the millstone floor, elevation of the mill stones and shafts etc., 1802.
Original Portfolio or 'Book' No. 482. Catalogue of Old Engines p. 102.
For Henry Coates and John Jarratt. Oil mill, Sculcoates, Kingston-upon-Hull. Often spelt "Cotes" and "Jarrat", and often referred to as "Coates & Jarratt". This was the second engine that the firm bought, the first being a 7 horse power sun and planet engine in 1783-1784 [see Portfolio 5/1].
Published references: Dickinson & Jenkins p. 172, 190, 213, 235, 239, plate XL - general view of the engine; Tann p. 58 - plan of the millstone floor. |