The technic of mechanical drafting a practical guide to neat, correct, and legible drawing (1904)
Reinhardt, Chas. William (Charles William), b. 1858 · New York, The Engineering News Pub. Co. · leaf 46
art of the (male) thread of the bolt. This matter is sim-plified or conventionalized in B of the same figure; make sure tokeep the outline shading of thebolt and the female threading inside,and do not encroach upon the section-lined area on either side. The elevation of the Columbus, 0., Freight…
Mechanical drawing
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