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 104
reezingweather, the pipe is apt to freeze and burst. Valves.—The distinction between a cock and a valve is not atall definite. Custom has determined that in certain places acock shall stop the flow of a liquid but in another place, perhapsof a similar nature, a valve shall accomplish the same… … ( H-^ ) Fig. 77.—Cross-sec-tion of globe valve withdetachable valve disc.
Heating · Lighting · Plumbing
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