Notes on technical sketching and free hand lettering for engineering students (1912)
Smith, Alton Lincoln, 1867- [from old catalog] · Worcester, Mass., The author · leaf 38
■^ WA5HER ■^S£ HAfli V-ti CAS£ HAf>o. … A (F NCHOfi BOLT-S *~Jz Of^ CoNCflETE ^^ H£X. Ill 4 .. \<> s * 4- ^ ;jr G/B Head /fEr > Fo^ Stoue TAPEfl -^ TO/2 \ Fig. 10 3(5 94. The Whitworth, or English standard, has an angle of 55° and the point of the V is rounded topand bottom ^ of the height. Depth is .64p. 95. The Buttress thread…
Mechanical drawing · Lettering
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