A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 77
What is meant by determination of the dew point? DescribeDaniells hygrometer. How is it used ? 64 THE AVET BULB HYGROMETER. different seasons of the year, is shown by the following table: Mean Temperature. Mean DewPoint. Maximum Evaporation in24 hours. Annual 49°.8S Summer 62°.21 Winter 38°.95… … The wet bulb hygrometer con-sists of two mercurial thermom-eters, S S, which exactly corre-spond. The bulb of one of them,&, Fig. 47, is covered with muslin,and kept constantly wet by watersupplied from a reservoir, A c,by capillary attraction along athread, e. The other bulb is cov-ered with…
Chemistry · Physics
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