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 235
/2> /4> 1 and 134 sizes. The port opening in the seat is ^/s/ in diameter, and the bore of the tube in float is /aain diameter. The Webster Si/lphon Thermofor (Fig. .52) is thermostatic in principle, operating under the 224 HEATING AND VENTILATION … Fig. 51. Webster Water Seal Motor.
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
