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 35
valvesset to blow off at 8 or 10 pounds. The Draft Regulator.—As a means of auto-matic control of the steam pressure, the draft regulator is fre-quently used to so govern the fire that when a certain steampressure is reached, the direct draft will be automatically closedand the check-draft damper… … Fig. 21.—Cross-section of a popvalve. Rules for determining the amount of radiating surface thatwill be required to satisfactorily heat a building to 70°F. regard-less of weather conditions are entirely empirical, that is, they arederived from experience. It is evident that no definite rule can THE…
Heating · Lighting · Plumbing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
