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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 258

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 258
275,having a diameter of 18 inches. Bisect this circlewith the straight lines A and B, which bear the same PLOTTING MECHANICAL MOTIONS. 243 relation to their enclosing circle that the lines A, B, doto the circle E in Figure 274. It will be observed, in Figure 274, that the verticalline A is (at the… … Scale 1^=1 foot Fig. 277. in Figure 275, draw the arc P. With the same radiusand with one compass point rested at V, draw the arcP; then two arcs, P and P, intersecting at the point S.With the same radius and one point of the com-passes at S, draw the arc H H. The arcs K i and K2 are drawn from the…

Mechanical drawing

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