Air Pump
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This air pump contains a glass or metal cylinder called the barrel, in which a piston works. The piston has an opening through it which is closed at the lower end by a valve S opening upwards. The barrel communicates with a passage leading to the centre of a brass surface
Keywords
air pumpGalleries
Chemistry ApparatusSource
A. Privat Deschanel Elementary Treatise on Natural Philosophy (New York: D. Appleton and Company, 1884) 179
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