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)
ure 54 be thepoints through which the circumference of a circle isto pass. Draw line D connecting A to C, and line Econnecting B to C. Bisect D in F and E in G. FromF as a centre draw the semicircle O, and from G asa centre draw the semicircle P; these two semicirclesmeeting the two ends of the…
Mechanical drawing
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