Hill, John A. (John Alexander), 1858-1916, Sinclair, Angus, 1841-1919 · New York : American Machinist Pub. Co · leaf 562
g like a reasonable propor-ttoQ to the diameter. For the width of head across flats, or the wrenchfit, set off each side of center line a dot, as iu coseof the body, and draw (o the horizoutal lines.The arcs to represent the chamfer can then hedrawn. The next operation in this sketch is to show… … sbetclie-s will alwaysand not lost or scat- oues alternnling iLS shown. The short lines, repre-senting the bottom of thread, should fall short ofthe bolls diameter by the nmount of depth ofthread at each side; the longer lines, representingthe top of thread, will, of course, be <lrawu thefull…
Railroads · Locomotives
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