An old experiment described in almost every elementary college text book that has been issued for years, illustrates how the boiling point of water may be reduced to room temperatures by boiling a small amount of water in a flask until the air has been carried out by the steam, then putting a stopper in the flask and holding it under a stream of cold water, thus condensing the steam and producing a partial vacuum….Why authors of texts do not carry this experiment a step further and reduce the boiling point to the triple point is difficult to understand.
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Boon, John D.
"An Old Experiment Carried A Step Further,"
Field and Laboratory: Vol. 3
Available at: https://scholar.smu.edu/fieldandlab/vol3/iss2/3