| Description | Crank Engines. (33 items).
531. Birley & Co., Manchester (IK & IL). Mar.-May, Jul.-Sep., Nov., Dec. 1845, Jan., Mar., Oct. 1846, Mar. 1847. 33 items. Two 70 horse power double-acting crank engines, with 41 inch cylinders, 7 foot strokes, parallel motions, [cast iron beams, cast iron connecting rods].
Reverse plan and sections of the engine house, plan of the tunnels; later uncoded plan of the engine house; section of the cylinders (not coded, also has dimensions for 72 horse engines HW & HX marked on); plan and section of air pump, condenser, hot water cistern etc. - coloured reverse drawings; hot and cold water pumps, hot water cisterns, waste, injection and feed pipes - original and reverse drawings; waste water pipes - coloured reverse drawing; plan and elevation of steam pipes - coloured reverse drawings; full size section of crank shaft; press copy sketch of crank shaft (not coded); governor and throttle valve gearing - coloured reverse drawings; section of 18 inch slide valve nozzles - coloured original and coloured reverse drawings; upper and lower nozzles - coloured reverse drawings; front and side views of 18 inch slide valve nozzles - coloured original and coloured reverse drawings. The drawings bear letter codes unless otherwise noted. Also the following tracings sent to Boulton Watt & Co. [?]: plan of the boilers and boiler house with passage under Cambridge St., May 1845; elevation of engine and boiler houses, showing passage under Cambridge St., location of main sewer etc., Jul. 1845; plan and elevation of steam pipes, Dec. 1845. Also the following drawings sent by or to Wren & Bennett: plan and section of the engine house on tracing paper, sent by Wren & Bennett Apr. 1845; press copy plan of bolt holes sent to William Bennett May 1845; plan of the cylinders and steam pipes etc., elevation of the hot water pumps, sent by William Bennett, May 1845; press copy cross-section of the engine house sent to William Bennett, May 1845; memorandum of correspondence with Birley & Co. and William Bennett, Mar. & Apr. 1845. Also the following drawings for new boilers, 1851: plan and sections of 50 horse tubular boiler - partially coloured reverse drawing; plan of new boiler house - partially coloured direct copy. These drawings bear letter codes.
Original Portfolio or 'Book' No. 965. Catalogue of Old Engines p. 90.
For Birley & Co. Chorlton Mills, Chorlton upon Medlock, Manchester. |