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 239
Detail No. B, Showinq Method of Drain-ing End of Steam Main when Return Line isABOVE Steam Main. Note construction of theLift Pocket (see Detail No. G).
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
