Valves, 1795, 1804, 1812, 1814, 1824, 1836, 1834, 1854, not dated

Components and Parts of Land Engines. (24 items).

1375. Valves. 1795, 1804, 1812, 1814, 1824, 1836, 1834, 1841, 1854, not dated. 24 items.

Double throttle valve pipe for Walker Colliery and Benwell Colliery, Feb. 1795.

Sketch of false face for foot valves - reverse drawing, Nov. 1804.

Stop valve for 12 inch water pipes for H. Walker & Co. - sketch, Aug. 1812.

Rods for blow through valve and injection for Birley & Hornby's 100 horse engine - press copy sketch, Jun. 1814.

Handle and bracket for blow through valve and injection for Birley & Hornby's 100 horse engine - press copy sketch, not dated [Jun. 1814 - half the sketch is missing].

Diagrams showing openings of throttle valves of Philips & Lee's 10 horse engine "Pollux" May 1811, McConnel & Kennedy's 53 horse Oct. 1824, 100 horse engine Oct. 1824 [Diagrams by William Creighton and James Fairweather].

Improved 40 horse back plates and slide valves for J. Harris & Co., Jul. 1834.

McConnel & Kennedy's 50 horse valves - coloured drawing by Wren & Bennett, May 1836.

Sketch for steam slide cock and stop valve, marked "steam stop valve made for Whitbread & Co." - partially coloured drawing, Oct. 1841.

Valves and back plates for 40 horse engine for Hunt Barnard & Co. - original and reverse drawings, Dec. 1854.

Not dated:
Sketch plan of 80 horse slide valve.

Stuffing box for the stem of middle valve for 54 inch cylinder.

Valve for "Compagnie Francaise" [La Compagnie d'Ourscamp?] - partially coloured drawing.

Valves for vacuum pump for donkey engine - partially coloured tracing.

Memorandum of the dimensions of various slide valves and pipes [in William Creighton's hand].

6 undated and untitled drawings of valves etc.

Two circular diagrams of valves.