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)
Fig. 104. Fig. 105. the stem, and of the collar or bead, hence those partsare shaded with liorhter or finer lines than the rieht.hand sides are. Two cylindrical pieces that join each other may beline shaded at whatever angle they may join. Figure105 represents two such pieces, one at a right…
Mechanical drawing
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