Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 27
A YI - (^ I^^Ljr ^ ^ w^vwwv^ . —I r _ c Fig. 10. Fig. 11. Fig. 10.—A common form of air vent for radiators.Fig. 11.—An inexpensive automatic radiator air vent.Fig. 12.—Monash No. 16 automatic air vent.Fig. 13.—The Allen float, radiator air vent. Fig. 12. of air vents of both hand-regulating and…
Heating · Lighting · Plumbing
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