Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 588
rivance, attached tothe piston-rod 67. The distance A A, between the highestand lowest points of the piston, is called the play. To ex- Piay;plain the action of this pump, let the piston be at its low-est point A, the valves E and F closed by their ownweight, and the air within the pump of the same… … 584 NATURAL PHILOSOPHY, to its highest point A, the air contained in the barrel and sucking-pipe will tend by its elastic force to occupy the action during the space which the piston leaves void, the valve E will, there- ■Mcm*or«fa« fore^ ^e force(j 0perij anc[ aj_r win pass from the pipe to the…
Mechanics · Acoustics · Optics
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