Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 133
not in use, should be kept covered withan extra piece of paper to protect it from the dust and dirt. . Never begin inking a drawing until it has been completelyfinished in pencil; and, in order to get the best results and tosave time, do the inking systematically. Opinions differ as tothe best… … MECHANICAL DRAWING AND DRAFTING ROOM PRACTICE 113 In inking, a very good method of procedure is as follows: (i) circles and arcs, beginning with the smallest; (2) outlines, beginning with the lightest and inking all of oneweight before taking up the next heavier; (3) hidden surface lines; (4)…
Mechanical drawing
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