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 485
he high pressure air from the supply line H. Diaphragm K returns to its normalposition and the compression spring under valve L Ufts it from its seat, opening up the escajieport in M so that the pressure in chamber N drops to atmospheric, and springs or weights openthe diaphragm valve at the…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
