Austin, Louis W. (Louis Winslow), 1867-1932, Thwing, Charles B. (Charles Burton), 1860-1946, joint author · Boston, Allyn and Bacon · leaf 71
ng the temperature of one gram of water one degree;in other words, it is the equivalent in work of one calorieof heat. The method employed is to convert a measured quan-tity of work into heat by means of friction, and measurethe heat. The apparatus used is shown in Fig. 22. It consistsof a whirling… … which contains a weighed quantity of mercury into whicha thermometer is inserted. The outer cylinder is encasedin felt to prevent loss of heat by radiation. The innercup is kept from rotating by the arm Z, to the end ofwhich a force is applied by weights in a pan whichhangs from the end of the cord…
Physics
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