Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 103
his confines the air in the short arm,and the pressure is one atmosphereupon each. Mercury is then pouredinto the longer arm until the volumeof the confined air is reduced one-half.This is found to be 760 millimetres, orone barometric height, so that the con-fined air sustains a pressure of two… … Fig. 120. 94 MECHANICS OF GASES. V J i
Physics
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