Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 359
50° 100° 150° … The additional scale, under this figure, shows the position of the piston corresponding to any givenposition of the crank: thus, in fig. 5, when the crank is at 140°, the piston has moved through -fc ofits stroke, and so on. The lines representing the forces are measured by a scale, which is…
Mechanical engineering
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