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 600
n the development of an endless variety of these devices,of which only a few typical examples can be considered. See Chapter on Direct Steam Heating. The autotnatic-expansion-posl type of steam air valve may be of either the solid or hollowpost construction. The former (Fig. 36) has a solid… … /—
Building · Heating · Ventilation
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