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)
taken not to draw them too short or too long, as thiswould impair the appearance very much, as is shownin Figure 1S7. … Fig. 191. To draw the piece shown in Figure 188, the linesare drawn in the order indicated by the letters in Fig-ure 1S9, the example being given for practice. It iswell for the beginner to draw examples of commonobjects, such as the hand hammer in Figure 190, or thechuck plate in Figure 191, which…
Mechanical drawing
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