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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 Work Roller | Fig. 306. LAN … I>rivin^ Puileys 279.) EXAMPLES FOR PRACTICE. 279 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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