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 59
n - (f\ 1— CD; ej L . _^y \^_ e ( ( ) ; u\ V / / … Fig. 23. Details of Gauging Box and Orifice. with a circular orifice as shown, discharging directly into the air. The static pressure existingwithin the box is measured by means of a U tube, which indicates the difference in pressure ininches of water between the two sides of the orifice. The…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
