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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 304

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 304
Fig. 3140 \Tork Roller | Fig. 306. (i … {Driving Pulleys (fee 279.) EXAMPLES FOR PRACTICE. 2jg of the wood by means of the following construction.The friction wheel O and the hand wheel R are con-nected by a yoke Q, at the ends of which are thejoints P, Q, seen in the plan. Hand wheel R isthreaded to receive the screw S, and it follows…

Mechanical drawing

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