Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 252
eter is essentially a device for coolinga body till dew or hoar frost begins to collect, at the sametime indicating the temperature. A simple form of dewpoint hvgrometer invented by Dines is shown in Fig. 167.R is a reservoir rilled with ice-water, which may be allowedto flow through the pipe I)… … c 1 ^ B Fig, 167. temperature of B until moisture begins to collect on its sur-face. The thermometer is then read and the flow of waterstopped. The temperature of the glass soon begins to riseand the moisture to evaporate. Just as it disappears fromthe surface the thermometer is ao-ain read and the…
Physics
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