| Description | 1b. Suction and Delivery Valves. 1878, 1881, 1882, 1884, 1886, 1887, 1892. 12 items.
Suction valves, delivery valves, suction vessel etc.
South Staffordshire Water Works (Huntington):
Special valve and pipe at bottom of well pump - partially coloured tracing, Feb. 1878.
Hooks for resetting suction valve in well pumps - coloured tracing, not dated (also used for Birmingham Water Works, Selly Oak).
Southport Water Works:
Valve - coloured tracing marked "Traced from Mr. Hawksley's drawing", Mar. 1878.
Birmingham Water Works (Selly Oak):
Snap jack and hooks for withdrawing and resetting suction valve in well pumps - coloured drawing, Apr. 1878.
Birmingham Water Works (Whitacre Station):
Detail of suction vessel - tracing, Dec. 1881.
Great Yarmouth Water Works (Ormesby Pumping Station):
Details of 18 inch suction valves for Town pumps (heavy pattern) - partially coloured tracing marked "Not adopted, see drawing bearing same letter", Jul. 1882.
Details of 18 inch suction valves for Town pumps (heavy pattern) - partially coloured tracing, Aug. 1882.
Warsaw Water Works (engine JD), Poland:
Detail of suction and delivery valve boxes - tracing, Apr. 1884.
Calcutta Water Works (Wellington Square), India:
Proposed new suction valve and box for 34 inch pump - copy on blueprint paper, Jul. 1884.
Portsmouth Sewage Outfall:
Details of suction and delivery valves - partially coloured tracing, Mar. 1886.
Calcutta Water Works (Halliday Street), India:
Bucket, foot and delivery valves - tracing, Aug. 1887.
Bristol Water Works:
Apparatus for lowering and raising suction valves for low lift pumps - coloured tracing, Apr. 1892.
Most of these drawings bear letter codes. |