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 29
the vent, theheat expands the air in D and forces the water into the innercylinder; the float is again raised and stops the opening in B. Many other air vents are in common use but most of themoperate on one or the other of the principles described. Fig. 11is a relatively inexpensive vent, while…
Heating · Lighting · Plumbing
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