Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 271
mple, a pressure of 73 atmospheres is necessary tocondense carbon-dioxide at the critical temperature, but 60atmospheres is sufficient at a temperature of 21.5° and 40atmospheres at a temperature of 13.1. Again, a pressure of200 atmospheres is necessary to condense steam at the criticaltemperature… … Fig. 288.—Essential parts of a liquid-air machine. compressed its temperature rises, and when it expands, thus doingwork, its temperature falls. In Fig. 288 is shown the essentialparts of a liquid-air machine. To one side of the pump P is joined one end of a coil of pipe Awhich is within J, a…
Physics
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