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 384
3 Hole in Casing for 214 Pipe Return Connection to Stack to beFull Size 2M in Every Case Size of this Connection Determined by Size of ^^No. U Iron Stack and Amount of Condensation. … Fig. 23. Gravity System Connections. 306 HEATING AND VENTILATION
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
