A practical course in mechanical drawing for individual study and shop classes, trade and high schools (1912)
Willard, William Franklin, 1879- · Chicago : Popular mechanics company · leaf 39
Fig. 28 Exercise 55.—Figure 31 is an original illustrationof the Swastika. Exercise ^6.—Geometric monogram within a trefoil.Fig. 7,2, Exercise 57.—Moldings, i. Cyma Recta, Fig. 33.2. Roman Ogee, Fig. 34. 3. Scotia, Fig. 35. 4.Echinus, Fig. 36. Ogee Arch, Fig. 37.
Mechanical drawing
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