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)
lines, i, 2, 3, 4, etc., untilcircle E i. With X as a centre, draw16 diameter of 4 feet, equalDraw the horizontalcentre of circle E t,I, subdivide line B into, 4, etc. Draw the ver-they each intersect the the circle E. having a 242 MECHANICAL DRAWING SELF-TAUGHT. diameter of iS inches, equal to the… … Fig. 276. X. We will now proceed to utilize the scale affordedby Figure 274, in laying off the cut-off cam shown inFigure 276, of half stroke limit. With X as a centre, draw the circle E, Figure 275,having a diameter of 18 inches. Bisect this circlewith the straight lines A and B, which bear the…
Mechanical drawing
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