Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 108
raised to the lowervalve by the atmospheric pressure upon the surroundingwater. Hence its distance from the surface can never ex-ceed ten metres. N. P. 7. MECHANICS OF GASES 337. The Forcing Pump, Fig. 126, on the right, raises the water to the lower valveby the pressure of the at-mosphere. The… … Fig. 126. pipe. To render the stream continuous, an air chamber, shownas a glass globe, is usually added, in which the upper valveis placed, and the discharge pipe opens near its bottom.The water is forced into this chamber by the piston, com-pressing the air, which by its elasticity forces the…
Physics
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