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Mechanical drawing self-taught: comprising instructions in the selection and preparation of drawing instruments. Elementary instruction in practical mechanical drawing. Together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers (1889)

Rose, Joshua · Philaelphia, H.C. Baird & co.; [etc., etc.] · leaf 264

An illustration from Mechanical drawing self-taught: comprising instructions in the selection and preparation of drawing instruments. Elementary instruction in practical mechanical drawing. Together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers, 1889, leaf 264
s laid off by the rules herein de-scribed is c^reater in travelllncr from one side of theslides than in travelling from the opposite end, onecut-off being more than the actual cut-off of pistonstroke, and the other less ; and in practical use, owingto play or lost motion in the connections from cam… … Fig. 283. instance, a five-eighths cam would be laid off to cut-offat eleven-sixteenths instead of five-eighths. Figure 283 represents the motion a crank, C, im-parts to a connecting rod, represented by the thick 2-0 MECHANICAL DRAWING SELF-TAUGHT. line R, whose end, B, is supposed to be guided to…

Mechanical drawing

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