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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 (1883)

Rose, Joshua · Philadelphia, H.C. Baird & Co.; London, S. Low, Marston, Searle & Rivington · leaf 221

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, 1883, leaf 221
ace view, to tooth Lin the edge view, and it is obvious from what has beensaid that In drawing the lines for the tooth In the edgeview they will point to the centre E. I 208 MECHANICAL DRAWING SELF-TAUGHT. To save work In drawing bevil gear wheels, theyare sometimes drawn In section or In outHne… … cone surface on which the teeth lie being left blank,save at the edges where a tooth is in each case drawnin. Wheel D is shown in section so as to show themeans by wliich it may be moved out of gear with Cnnd 1^. Small bevil gears may also be represented bysimple line shading; thus in Figure 247…

Mechanical drawing

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