| Description | Vacuum and Blowing Engines (21 items).
Double-acting engine, with 36 inch cylinder, 8 foot stroke, parallel motion.
Coloured original and reverse general view of the engine and blowing cylinder and cross-section of the boilers, side view of the hot water pump beam, plan of the engine and boilers and blowing cylinder; reverse plan of the engine house and boilers and blowing cylinder, plans of the engine house taken above the cylinder and spring beams, sections of the engine house, drawings of the cistern, gland and wall plate, longitudinal section of the engine house and boiler, cross-section and plan of the boilers; piston, plan of the air pump and condenser etc., top of the piston rod cap, gudgeon ends, parallel bar ends, blowing cylinder and pipes and valves - reverse drawings; parallel motion - coloured original and reverse drawings; working gear - coloured original and reverse front and side views; sketch plan of furnaces [?] marked "Mr. Murdock's sketch from Wright & Jesson"; sketch of beam by William Murdock; note from Edington Smeaton Hutton to Abraham Storey re the cold water pump; press copy plan of boiler; original portfolio cover. All the drawings except the last 5 items bear letter codes.
Original Portfolio or 'Book' No. 416. Catalogue of Old Engines p. 270.
For Jessons & Wright. Iron works [?], Barnets Leasowe, Shropshire.
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