A text-book on chemistryFor the use of schools and colleges . WEIGHT OF AIR. 249 Fig. 222. bottle be turned upside down, as at e, in some water,and the finger removed, a fountain in vacuo is pressure of the air depends on the fact that it isa heavy body, as may be provedby weighing it directly. Leta light glass flask, a, Fig. 222,fitted with a stopcock, be coun-terpoised in a balance, then letthe air be exhausted from it,and the loss of weight determ-ined. On opening the stop-cock and again admitting theair, it will regain its originalweight. A flask containing 100cubic inches will
A text-book on chemistryFor the use of schools and colleges . WEIGHT OF AIR. 249 Fig. 222. bottle be turned upside down, as at e, in some water,and the finger removed, a fountain in vacuo is pressure of the air depends on the fact that it isa heavy body, as may be provedby weighing it directly. Leta light glass flask, a, Fig. 222,fitted with a stopcock, be coun-terpoised in a balance, then letthe air be exhausted from it,and the loss of weight determ-ined. On opening the stop-cock and again admitting theair, it will regain its originalweight. A flask containing 100cubic inches will in this man- Fig.
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Keywords: ., bookcentury1800, bookde, booksubjectchemistry, booksubjectphysics
