Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 96
plate of the air pump, andthe air exhausted, when the bladder is forced Fis- m-down by the pressure of the air. At first it bends inwardfrom the pressure, and soon it bursts with a loud report.If the end is covered with rubber in place of a bladder, therubber will often be bent inward until it…
Physics
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