A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 456
ith both sides of the pistonthrough G and H ; the pressures on the top and bottom of the pistonire therefore equal, and the piston may be moved easily. Immedi-itely the piston passes the opening of G, it begins to compress the gasn the space between the valve C and the piston. Compression goesm… … Fig. 417.— Air-exhausting pump. 432 HEAT CHAP. The piston cannot quite arrive at the top of the cylinder, andhence all the gas will not be discharged. Complete discharge canbe obtained by introducing some oil, which lies on the top of thepiston. As the piston approaches the top of the stroke, the…
Physics
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