Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 367
cooled or the gas beinc -380] Liquefaction of Gases. 349 … vails, and when it exceeds the internal tension by more than the weight ofthe cokimn of water £•<?, the water rises into the flask, and the operation isspoiled. This accident is prevented by means of safety-tubes. These are tubes which prevent absorption by allowing the air to enter inproportion…
Physics
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