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 356
t registers near the ceiUng will require that suitable chains or cordsbe connected to the valve or louver arm in order to control them conveniently. (Fig. 16.) TABLE 9 STANDARD HEAT AND VENT REGISTER SIZES(See Fig. 16) Size of Opening A x B 4x 10 8x10 14 x20 22x24 4x 12 8x12 14x22 24x24 4x15 9x12…
Building · Heating · Ventilation
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