cent, the water in the cylinder to descend by its own weight; and (4) of a system of will again fill the reservoir, and the air, giving way to balancing. the water, will escape freely into the atmosphere The general arrangements of the piston, cylinder, and car are shown in Figs. 3 and 4, Driven… … ELEVATOB. constructors. A rational system must consist of two parts, one fixed and the other variable, by reason of the fact that the piston varies in weight, according as it is plunging into the water or emerging from it. Up to recent times this result has been obtained mathemati- cally in a very…
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