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 222
Fig. 32. Morehead Non-Return Trap—Empty check should be installed in the discharge Une beyond the trap ^.^^ The operation of the return trap is best understood by reference to Fig. 34, trom ^a DIRECT STEAM HEATING 211 … Fig. 33. Morehead Tilting Non-Return Tilip.
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
