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
air toescape from the radiator as the steam enters. Steam will notdiffuse with the air and, therefore, cannot enter the radiatoruntil the air is discharged. The air vent may be a simple cocksuch as is shown in Fig. 10, that must be opened by hand whenthe steam is turned on, to allow the air to…
Heating · Lighting · Plumbing
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