Practical draughtsmen's work, with numerous engravings and diagrams (1903)
Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 151
straight rect-angular outlines, no particular difficulty is experienced, bubwhen the outline is irregular a beginner may be rather at aloss to know how to proceed. For instance, the outline (Fig.221) would be copied as shown in Fig. 222. First a horizontalline is drawn from point A, then an arc a 5…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
