Gas Liquidation

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“M. Cailleter’s apparatus is represented. The gas under experiment is contained in a stout glass tube of narrow bore. To fill this tube with gas, both ends being open, a globule of mercury is first introduced at the lower curved extremity; the tube is then placed in a nearly horizontal position, the curved extremity is connected with the holder contraining the gas, or with the apparatus in which the gas is being evolved, by means of caoutehone tubing, and a current of the pure dry gas is passed through the tube until the air is entirely expelled; this being effected, the point opposite to the curved extremity is sealed in the blowpipe flame; the tube is then brought into a vertical position, so that the globule of mercury closes the lower extremity, the caoutchouc tube is withdrawn, and the tube AA thus filled is screwed into its place in the cylinder B.” — Encyclopedia Britannica, 1893


The Encyclopedia Britannica, New Warner Edition (New York, NY: The Werner Company, 1893)


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