Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 273
ch vapour at 30° C. as at 10° C. If the amount of vapour in a given space remains constantand the temperature is lowered gradually, a temperature willat length be reached at which condensation will begin to takeplace. This temperature is called the dew-point. The dew-point may be determined… … Fio. 289.—Determinationof the dew-point. connecting tubes are inserted. Pour ether into the vessel fittedwith the atomizer bulb and force air throughit. This agitation of the ether makes itevaporate rapidly and thus the temperatureis lowered. Note the temperature at whichthe polished surface…
Physics
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