ne of them,A say, rises more than that in E,the pressure in A is increased,the end B of the liquid is de-pressed while D rises. Thussmall differences of temperaturebetween A and E are easilydetected. Fig. 10. Reasons for the use of mercury in thermometers. (1) The scale of a mercury thermometer… … 23-25] THERMOMETRY. 25 (3) It requires less heat to raise the temperature of a given mass ofmercury than is required for an equal mass of most other liquids. Thisis of great importance, for when a thermometer is used to measure thetemperature of a 1 ot body it absorbs heat from that body until…
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