Greenhill, G. (George), Sir, 1847-1927 · London and New York, Macmillan and Co. · leaf 379
is made long and provided withcannelures, by which leakage of air past it is prevented,in spite of the absence of packing; which may howeverbe supplied by cupped leathers, as in figs. 11, 12, p. 23. A valve at each end, consisting of a small flap of oiledsilk covering from the outside a narrow… … Fig. 81. 263. Denoting by A the volume of the receiver and byB the volume of the ban-el of the pump swept out bythe passage of the piston in a single stroke; then, in theabsence of any clearcunce, the air which occupied thevolume A at the beginning will occupy the volumeA+B at the end of the…
Hydrostatics
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