Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 114
h change of tem-perature. A pressure of one atmosphere, or 14.7 lb. persquare inch, compresses a mass of water only about 2ooToof its original volume ; while the same pressure applied toa mass of air under ordinary conditions reduces its volumeone-half. 165. Transmission of Pressure.— We find by… … Fig. 45. shows that the pressure must be nearly equal in all direc-tions ; for, if it were not, the balloon would bulge outmore in the direction of greatest pressure. Figure 45 represents a glass globe, attached to a tubein which works a piston. Around the globe is a ro^v ofholes of equal size.…
Physics
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