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 77
y of 23 miles per hour: Plain wood sash 1.9 cu. ft. of air per min. per ft. of perimeter. metal stripped 0.4 Hollow metal sash 3.6 to 4.8 weather stripped 1.2 to 2.5 opper covered sash 2.2 . 66 HEATING AND VENTILATION Under 6 miles per hour no perceptible leakage could be detected for the window… … 5 Asbestos.Building Paper./T. & G. Boards. Testing Frame and Sash,Double Hung,Bolted to Wall.
Building · Heating · Ventilation
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