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 265
tomary to charge for the services of proving themeter. Gas Meters.—The gas meter as ordinarily used is shown inFig. 177. In Fig. 178 the same meter is shown with the top andfront exposed. The meter is operated by the pressure of the gas which entersat the inlet pipe on the left-hand side of the…
Heating · Lighting · Plumbing
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