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 518
125 Pounds Pressure 25 Pounds Pressure Size B K N S O Size B N S O Size B N s O 2 7 TV2 8 sy2 910 io y2 n 11H 1213141515 57/i6 5% ey2 TV* 75/16 8H/1611% UU12 *A 14%1514 16^4 nbA 19 20 %23 2628 30 M 3534 39^41X 14 15 %18 H 20 M 23% 24 % 28 3154 37^4144 % 49 y2 57 M66^69 M 6HGAIVi 9…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
