Elements of mechanics: for the use of colleges, academies, and high schools (1859)
Peck, William G. (William Guy), 1820-1892 · New York, A. S. Barnes & Burr · leaf 335
onal expend-iture of force. Sometimes, instead of having the body of the pump ver-tical, it is inclined; in which case it does not differ muchin principle from the wheel with flat buckets, that has beenused for raising water. The Air Pump. 222. The air pump is a machine for rarefying the air ina… … HYDRAULIC AND PNEUMATIC MACHINES. 333 sel E, called a receiver, by means of a narrow pipe. Thereceiver, which is usually of glass, is ground so as to fit air-tight upon a smooth bed-plate KK. The joint between thereceiver and plate may be rendered more perfectly air-tightby rubbing it with a little…
Mechanics
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