Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 108
alloon in a Vacuum. gases, it was shown that car-bonic acid gas was very much heavier than air, by pouringthe gas from one vessel to another, thus to a great extentdisplacing the air in the receiving vessel, in the same man-ner as it would be displaced by the pouring in of a liquid.In the case of… … 86 EXPERIMENTAL oCIENCE. of things was reversed; /. c, to fill the vessel it was neces-sary^ to invert it, so that the air might be displaced by therising of the gas, which is so much lighter than air. To show visibl_y that one gas is heavier than air and theother lighter, a pair of balances ma}-…
Physics · Lantern projection · Electric apparatus and appliances
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