Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 77
forcibly, so as to compress the air init. Under these circumstances it is evident that, in con-sequence of the communication which exists between theinterior of the bottle and the lungs, an equilibrium of 6o Plif.SSURE OF THE AIR. pressure will be established. Three or four seconds willsuffice for… … Fig. 50.- -Posilion of the Hartd, before the Compression of the Air by the ^foiith. Fig. 5 I, mouth downwards, and bring it within about aninch and a half of a lighted candle. Loose the thumb,and permit the compressed air to escape from the bottlethrough an aperture as nearly the same size as…
Scientific recreations
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