Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 550
efect in the air- y MECHANICS OF FLUIDS. 545 pump was, that the atmospheric air could not be entirely the most serious defect of theolder pumps; ejected from the barrel, but remained between the piston de and the bottom of the barrel. This intervening space isfilled with air of the ordinary density… … section of one ofthe mostapprovedpumps; already attained. If the air in the receiver is so far rare-fied, that one stroke of the piston will raise only such aquantity as equals the air contained in this space, it is plain \that no further exhaustion can be effected by continuingto pump. This limit…
Mechanics · Acoustics · Optics
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