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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 171

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 171
Fig. 216. Before going into projections it may be as well togive some examples for practice. … Brasses for h Fisf. 2I<* Sole for Set-Screw yll Tapped 14 Threads Front Elevation ofHod, without Brass. ^ I 7 rough C- D^ mds ivill be cast from the same patterns. SCALE OF INCHES.

Mechanical drawing

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