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Appletons' cyclopædia of technical drawing (1896)

Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 229

An illustration from Appletons' cyclopædia of technical drawing, 1896, leaf 229
into equal spaces, but that of the crank-path is not.The point 3 corresponding to the mid stroke 3 of the crosshead is not that of the halfcircumference of the crank-path. These irregularities are due to the angularity of theconnecting-rod, which is here made less than its usual proportion to that… … 5 4 3210 Fig, 412. possible. Some other mechanism is necessary to pass over the dead-points; usually thisis by means of the fly-wheel, in which the force stored in the mass by rotation continuesthe motion, and rightly proportioned nearly with uniformity, and the irregularities aretransferred to the…

Mechanical drawing

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