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 368
alve is controlled and operated by the oppositepump. As one piston moves to the end of its stroke and is gradually brought to rest, it moves theslide valve of the opposite steam cylinder admitting steam back of the piston which is at rest,causing it to similarly move forward to the opposite end of…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
