Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 386
in the other bulb B. Inproportion as the liquid distils from the lower to the upper bulb, the ether inA becomes cooler, and ultimately the temperature of the air in immediatecontact with A sinks to that point at which its vapour is more than sufficientto saturate it, and it is, accordingly,… … the bulb B is then discontinued, the temperature of A rises, and the tempera-ture at which the dew disappears is noted. In order to render the depositionof dew more perceptible, the bulb A ismade of black glass. These two points having been deter-mined, their mean is taken as that of thedew-point.…
Physics
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