Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 133
Fig. 65. 114 PHYSICS … those gases like ammonia and carbon dioxide that are easilyliquefied. 125. Closed Pressure Gauges.—For many purposes it isdesirable to measure the pressure of a gas, as the pressure of steam in a boiler, the pressure of illumi-nating gas in a main, the pressure of airin the air blast of a furnace,…
Physics
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