The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 350
uch rapidity as to freeze it infrom thirty to sixty seconds. Fig. 267 is a convenient apparatus forshowing, by means of a thermometer, thesudden change in the temperature of thewater during the progress of evaporationin a vacuum, as just described. The bulbof a thermometer, suspended by a… … FREEZING MIXTURES. 345 lowered into the water in the cup over the basin of acid, asseen in the figure.* Freezing Mixtures. —Whenever a solid is rapidly con-verted into a liquid, intense cold is produced. This may beshown by mixing together salt and snow, or pulverized ice,which mutually dissolve…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
