| Description | Crank Engines. (18 items).
299. Dixon Greenhalgh & Welchman, Bolton (DW). Jun., Jul., Oct. 1801, May 1802. 18 items.
45 horse power crank engine, with 33 1/3 inch cylinder, 7 foot stroke, parallel motion, cast iron beam, cast iron connecting rod. [Also the atmospheric engine which this replaced.]
Reverse general view of the engine, reverse plan and front view of the engine and boilers, reverse longitudinal section of boiler; reverse plan and sections of the engine and boiler houses and framing, reverse drawings of the cistern; spur wheel - reverse drawing. All the drawings bear letter codes.
Also the following items sent to Boulton Watt & Co.: ground plan of the mill showing location of old engine, shafts etc., with sheet of remarks and letter from John Stephenson; coloured elevation of the firm's atmospheric engine (which is depicted with sun & planet gear) and plan of the engine house, with letter from John Stephenson dated Bolton, 15 Jun. 1801; letter from Thomas Livesey with sketch plans for the engine house, one with three boilers dated 25 Jun. 1801.
Original Portfolio or 'Book' No. 437. Catalogue of Old Engines p. 88.
For Dixon Greenhalgh & Welchman. Cotton mill, Bolton. This engine replaced a atmspheric engine. The sheet of remarks with the ground plan of the premises note that this "Common Engine" was 9 horse power, with a 21 inch cylinder and an estimated 6 foot stroke, making an estimated 28 strokes per minute, turning nearly 1000 spindles. |