Practical draughtsmen's work, with numerous engravings and diagrams (1903)
Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 57
Fig. 86.—Holding Compasses, Fig. 87.—Sharp Curves. line, and making a few short strokes across it, as shown in Fig. 57,p. 39, to indicate that it must be dotted when inking-in, as de-scribed on p. 39. Large or fiat curves are really more difficult to draw thansmall ones, although many think the…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
