ine tube in which We recently laid before our readers full details of the to the compression apparatus by a metallic capillary tube. the gas is liquefied. This capillary tube may thus be sur- Water, under the action of the plunger, enters this reser- very important experiments made by M. Raoul… … cold produced by the sudden expansion, and liquefied at 180 atmospheres and 44'6° Fah. is a sure sign of the liquefaction or even congelation of the voir and acts on mercury, which compresses the gas. J is " If oxygen or pure carbonic oxide be inclosed in the gases hitherto regarded as permanent.…
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