Practical draughtsmen's work, with numerous engravings and diagrams (1903)
Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 68
mples shown at Figs. 106 to 113 a quarter of an inchis taken as the unit, the figures marked on the illustration givingthe number of quarter-inches in each piece. These must not be DRAWING GIBCULAB LINES. 65 taken as fixed proportions, but merely as suitable sizes for theexamples. It will be seen… … Fig. 112.-Quirked Ovolo.
Mechanical drawing
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