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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 (1883)

Rose, Joshua · Philadelphia, H.C. Baird & Co.; London, S. Low, Marston, Searle & Rivington · leaf 262

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, 1883, leaf 262
am designed to cut offthe steam at five-eiglulis of the piston stroke, the con- PLOTTING MECHANICAL MOTIONS. 245 structlon lines being given in Figure 2 77, for which drawcircle E and straight lines A and B, as in the precedingexample. By reference to Figure 274 it will be ob-served that the… … Fig. 279. mines the limit of cut-off on the five-eighths cam inFigure 277. Turning then to Figure 274, take on circle E theradius from radial line 4 to radial line 5, and markit in Figure 277 from the vertical line producing V. Now, with a radius of 18 inches, and one point ofthe dividers fixed at…

Mechanical drawing

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