Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 43
a(«)2(n) Urt) 32 31 … TAPERING LINES. —RAIL SECTIONS. 37 ■FLs- na- tion the point of division on each line is exactly above the point where the other view of the sameline runs through H M in the lower figure. 117. To reproduce Fig. 78 draw first the circle afhn, then two circular arcs which would con-taiii a and b if…
Mechanical drawing · Lettering
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