We allunderstand that when the crank is near the deadpoint, and the steam is working with a short lever,the motion of the crank is much greater in propor-tion to the motion of the piston, than when the pis-ton is at half stroke ; so ihat it may be that as muchwork is done by the motion of the… … Let this circle represent the motion of a crank fivefeet in length ; the piston of course having a strokeof ten feet. I have divided the diameter in tenspaces, each representing a foot in the motion of thepiston, and drawn the ordinates to the circumferenceof the circle. Now_if the connecting rod…
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