Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 126
e mercury inthe tube falls a little,and after a few oscilla-tions comes to rest at apoint many centimetresabove the level of mer-cury in the bath. We Fig. 59.Hi represent this height U by h. At the sea level, under usual conditions ofFig. 60. weather, and at the freezing point, it is sevenhundred… … 108 PHYSICS mercury there is manifestly the downward pressure of theatmosphere. This is transmitted, and acts upward in thetube at the same level with undiminished intensity. Hereit meets a downward force, the weight of a column of mer-cury of height h. As the mercury in the tube stands still,the…
Physics
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