Experimental engineering and manual for testing. For engineers and for students in engineering laboratories (1906)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & Sons; [etc., etc.] · leaf 416
crucible, conveyed to the calorimeter and suddenlydropped in. The calorimeter was provided with an agitatormade of hard rubber, with a hole in the centre for a thermome-ter. The balls used as heat-carriers weighed about three quar-ters of a pound each; the vessel held about twelve pounds ofwater.… … Fig. 183.—Platinum Balls and Crucible. of this jar was quickly removed and the balls dropped into thewater in the calorimeter. 302. Electric Pyrometers.—The fact that electric currentsare excited by differences of temperature in different parts ofa metallic circuit is made use of for measuring…
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