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)
motion of S, itmoving in a straight line, dotted circle H representingthe path of the pin in the sliding die A, arc H repre-senting the line of motion of the upper end of link L,and lines N, O, Its centre line at the extreme ends ofits vibrating motion. In Figure 285 the letters of ref-erence refer… … Fig. 284. draw lines radiating from centre, C, and cutting arcH, obtaining on the arc H the various positions forend Z of rod R, these positions being marked respec- 252 MECHANICAL DRAWING SELF-TAUGHT. lively I, 2, 3, 4, etc., up to 24. With a pair of com-passes set to the length of rod R from i on…
Mechanical drawing
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