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 71
en 0 and H, which permits both drafts to be kept partlyopen and fewer changes are required to keep the temperatureapproximately normal. Damper Regulator for Steam Boiler.—The damper regulatorused on a steam boiler is a simple device that automaticallycontrols the draft dampers by reason of the…
Heating · Lighting · Plumbing
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