Snow, Benjamin Warner, 1860- · Madison, Wis. · leaf 204
Fig. 123. The open-arm manometer. THE SIPHON. 199 … If tlie i^ressure in A be-comes greater than one at-mosphere, the mercuryrises in the closed arm,and the volume of the gasin this arm l)ecomes small-er under the increasedpressure. Therefore, fromthe decrease in the volumeof this gas, the pressure to Fig. 124. The closed arm manometer. which it is…
Physics
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