. The railroad and engineering journal . as explained above. The bevels 1/■and /(■ / , and their curved intersections with the sides of thenut, are then drawn in fig. 142, in the same way as has beendescribed for drawing the head. As remarked above, the screw-thread of the bolt is not shownin the engravings. To represent it correctly is a difficultproblem, which will be explained ii» a future chapter. Gener- Vol. LXIV. No. g.] ENGINEERING JOURNAL. 419 ally, in making working drawings of bolts, it is sufficient toshow the bolt where it passes through the nut by dotted lines,as in fig. 142. i Fi
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Reading Room 2020
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. The railroad and engineering journal . as explained above. The bevels 1/■and /(■ / , and their curved intersections with the sides of thenut, are then drawn in fig. 142, in the same way as has beendescribed for drawing the head. As remarked above, the screw-thread of the bolt is not shownin the engravings. To represent it correctly is a difficultproblem, which will be explained ii» a future chapter. Gener- Vol. LXIV. No. g.] ENGINEERING JOURNAL. 419 ally, in making working drawings of bolts, it is sufficient toshow the bolt where it passes through the nut by dotted lines,as in fig. 142. i Fi