A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 74
he other bulb, to be in theirturn condensed; a continual condensation thereforegoes on in the one, and a continual evaporation in theother, but the vapor thus formed must have heat of elas-ticity ; it obtains it from the water from which it is ris-ing, the temperature of which, therefore, descends… … Leslies process for freezing water in vacuo by itsown evaporation is an example of the same kind. Ifsome water in a watch-glass be placed in an exhaustedreceiver, with a large surface of sulphuric acid, as fastas vapor rises it is condensed by the acid, a rapid evap-oration of the watertherefore…
Chemistry · Physics
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