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)
Fig. 297. EXAMPLES IX LINE-SIIADIXG. o?! … Fig. 298. 2/2 MECHANICAL DRAWING SELF-TAUGHT, were produced for the American Machinist by tracingover a wood eno^ravinof from London, Enoflneerlne in the manner already described. The fineness andcleanness of the lines in the wax process is here wellillustrated, the disposition of the parts being…
Mechanical drawing
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