Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 73
pressure of 15pounds on every squareinch. What prevents a col-lapse under this pressure ?Inasmuch as the balloonsiiows no signs of disten-tion, or collapse, until placed under the receiver, it would seem that thisgreat outward pressure is exactly balanced by tlietension of the air within.…
Physics
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