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 521
Fig. 22. Swing Check Valve. … Fig. 23. Lift Check Valv^, 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, springs, orpressure diaphragms. Check Valves. The…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
