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. the stem, and of the collar or bead, hence those partsare shaded with lighter or finer lines than the right,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 angleto the… … shaded by lines, the lines on the taper parts meetingthose on the parallel part A. and becoming morenearly parallel to the axis of the piece as the centreof the piece is approached. The same is the casewhere a pwc<> having a outline is drawn, which is shown in Fig the set of the bow-pen…
Mechanical drawing
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