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 352
Fig. 14. Floor Register with Louver.s Made of Semi-Steel. (Aupr Rpqister Co.) Fig. 15. Con\Ex Side-Wall Reg-ister (to Set Horizontally). Registers. The free area through tlic ordinary registci- grille is only appioximately 50%of the gi-oss area, consequently a register must be selected that has a…
Building · Heating · Ventilation
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