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)
292, and mark it as from C to K. Then draw lineE E, passing through point K. Draw line G, standingat the same angle to A A as the face h b, Figure 292,of the cutter does to the line A A, and draw line HH, parallel to G. From any point on G, as at I, withradius J, draw a quarter of a circle, as K.… … Fig. 293. 262 MECHANICAL DRAWING SELF-TAUGHT. lines, as a, b, c, etc.; and from these lines draw hor-izontal lines d, e,f, etc. Now divide the lower half ofcircle D into twice as many equal divisions as quartercircle K is divided into, and from these points of di-vision draw perpendiculars g, k, i,…
Mechanical drawing
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