Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 648
the liquid. But the pressure of theatmosphere per square inch at any point is equal to theweight of a vertical column of air one inch square, reach-ing from that point to the limit of the atmosphere aboveit. Still the density is not the same at all points, so we DENSITY OF AIR. 8S have to… … Diving-bell.
Scientific recreations
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