Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 697
ght of the barometer, andt the temperature of the balanceat the time. The glass stopperis now removed, and replaced byan india-rubber tube, a, Fig. 457,connected with a drying tube, I.The apparatus thus arranged isplaced under the receiver of anair-pump, and, by alternately ex-hausting and… … way; but since such gases are almost invariably hearier than air, it can be filled bydisplacement. The fla^k being placed in an upright position, and the delivery tubeextending quite to the bottom, the gas is allowed to flow in and overflow the mouthuntil all the air has been expelled. The tube is…
Matter · Heat
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