Smith, J. Hamblin (James Hamblin), 1829-1901 · Toronto : A. Miller · leaf 60
atmosphere is subject to apressure of nearly 15 pounds on each square inch of itssurface. We feel no inconvenience from this great pressure,because the solid parts of our bodies are furnished witli incom-pressible fluids, capable of supporting great pressures, whilethe hollow parts are filled with… … AB and DE are two pistons with valves opening upwards,which are worked up and do\vn two cylindrical barrels bymeans of the toothed wlieel IV in s;ich a way that onepiston descends as the other ascends. The baiTels com-municate, by means of valves at C and F opening upwards,with a pipe leading into…
Hydrostatics
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