Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 42
Fig. 26. Barometerfalls when air pres-sure on the mercurysurface is reduced \ … 39. Amount of the atmospheric pressure. Torricellis experiment shows exactly howgreat the atmospheric pressure is, sincethis pressure is able to balance a columnof mercury of definite length. As the pres-sures along the same level ac (Fig. 27) areequal, the downward pressure exerted bythe…
Physics
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