A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 71
third a thermometer,c7, is introduced. Some quicksilver ispoured in, sufficient to cover the end ofthe tube, e, half an inch or more deep,and upon it water is poured, the bulb ofthe thermometer being immersed in it. The stopcock,#, being open, a spirit-lamp is applied to bring the wa-ter to its… … LATENT HEAT OF VAPOES. 59 out, this, of course, takes place at 212°. On closing thestopcock the steam can no longer escape, but, exertingits elastic force on the surface of the boiling liquid,presses the mercury up the tube, c. The altitude ofthe mercurial column measures the amount of this…
Chemistry · Physics
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