Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 78
till thestring at 21 is on a level with the surface of the mer-cury in the jar. The mercury in the tube will stand at6. At first the air enclosed in the tube between 3 andthe finger withstands an upward pressure of the mer-cuiy sufficient to sustain a column of mercury 30 inches high, or…
Physics
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