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)
ders fixed at point V, forming the intersectionof the circle E with the horizontal ljne B, draw the arc 246 MECHANICAL DRAWING SELF-TAUGHT. P. With the same radius, and one point of the dividersfixed at point V, draw the opposite arc P. With aradius of 10^ inches from the centre X, draw the arcK i,… … Scale l!s=l foot Fig. 280. draw the arcs H, H, from their intersection with thecircle E, until they merge into the curved line K 2.These curved lines embrace a cut-off cam of five-eighths limit, shown complete in Figure 278. From the instructions already given it should be easyto understand that…
Mechanical drawing
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