| Description | Vacuum and Blowing Engines (29 items).
Five engines with 48 inch cylinders, 8 foot strokes, parallel motions, cast iron beams.
Partially coloured reverse external elevation and section of the engine and boiler houses, section of the engine house, plan of the engine and boiler houses showing 15 boilers, elevation of the hoisting machinery; partially coloured original and reverse plan of the engine house and part of the boiler house, longitudinal section of the engine and boiler houses, cross-section of the engine house and plan of the tunnel (reverse only), plan of the boiler house, cross-section of the boiler house (reverse only); plans and sections of 78 inch blowing cylinder, main plummer block, section of 75½ inch blowing cylinder (marked "For the 3rd 4th & 5th engines"), 12 inch force pump and air vessel for working the hoisting apparatus - partially coloured original and partially coloured reverse drawings; plans and sections of 75½ inch blowing cylinder - partially coloured original drawings; working gear - coloured original and coloured reverse front and side views. All these drawings bear letter codes.
Also the following uncoded items: press copy sketch section of 78 inch blowing cylinder; draft [?] elevation of engine, plan of 2 of the engines; tracing of the iron works showing situations for 6 engines; plan of 5 engines and 4 furnaces, elevation of one of the engines and hoisting apparatus (these 2 drawings have captions in French).
Original Portfolio or 'Book' No. 914. Catalogue of Old Engines p. 272.
For La Société Anonyme de Charbonnages etc. de Sclessin (the Sclessin Anonymous Coal & Iron Society). Iron [?] works, on the banks of the River Meuse between Liege and Namur, Sclessin, Belgium.
See also: Portfolio 6/11 (75½ inch blowing cylinder).
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