Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 61
is warmedin the Equatorial, and cooled in the Polar, Regions. It is easy to understand the differences in density of 44 DENSITY, HYDROSTATICS, ETC. the aerial currents if we open the door of a ^ warm roomwhich is entered from a cold hall. A candle held to the upper part of the open doorwill show… … M^^^^ Fig. 34.—Extinguisbing a Candle placed behind a Bottle, , BLOWING OUT A CANDLE BEHIND A BOTTLE. Put a lighted candle on the table, and in front of it,about 10 inches removed, a bottle like the one in theengraving (Fig. 34). Then blow on the bottle at a THE MOXKMENTS OF GASES. 45 distance of 8…
Scientific recreations
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