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 598
Fig. 34. Lavigne Packless Radl4.tok Valve. … Fig. 35. Detroit Multi-Port Valve. 572 HEATING AND VENTILATION The port-regulating principle is illustrated by .4-1, A-2, AS, and AA (all A parts movingtogether). To change size of port, taking out the set-screw F permits the fitter to turn thehandle A-1 completely around and the cylinder AA rises…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
