Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 338
hole at the side passes the end of thetube conducting the gas. There are many gases which are absorbed by water, and in ex-perimenting on these we use a trough filled with mercury. Sucha trough is represented in Fig.288, and two vertical sectionsof the same in Fig. 284. Onaccount of the cost of… … Fig. 288. X \ Fig. 284. In measuring the volume of a gas standing in a graduated bellover the pneumatic trough, it must be remembered that the gasis not exposed to the pressure of the atmosphere as indicated bythe barometer, except when the level of the liquid is the sameboth in the bell and in the…
Matter · Heat
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