Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 529
Fig. 22. Swing Check Valve. … Fig. 21&. Exterior View.(Powell While Star.) Fig. 23. Lift Check Valve. PIPE, FITTINGS, VALVES, COVERINGS AND ACCESSORIES 497 Automatic Valves. Automatic valves include many varieties, and, in fact, practically anyvalve may be made automatic by the attachment of the necessary weighted levers,…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
