heheight between F and the horizontalarm AD; that of the cold column isthe height between G and the samearm. The difference in height is there-fore the difference in level between Fand G which can be easily measured accurately. A correction is required in consequence of thedifference in temperature… … 86 HEAT. [CH. VI 86. Measurement of the coefficient of dilatationof a solid. The coefficient of dilatation of a solid, such asthe glass of a weight thermometer, may be found by a com-bination of the two methods of Sections 80 and 83. For, find by means of the weight thermometer the…
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