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 39
75. Bridge The convention for conditions, as for instance asmall plan of a drawbridgewith center pier, etc., may besubstituted for the type shownin our illustration. The strokesindicating slope in Cut andFill, or Levee in thesame figure, should be drawnin a wabbling or vibrantmanner, and, beginning… … They should always be drawn in aA good draftsman with a trained eye 36 and steady hand, however, may construct the.se strokes in a re-versed way, beginning with hair-line strength and finish with the heavy stroke. In Fig. 79 isshown an in-stance where,for specific pur-poses, a goodmany…
Mechanical drawing
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