Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 80
6o ELEMENTS OF DRAWING 45. Sheet D. The purpose of this sheet is to teach thebeginner the characteristics of the numerals and to givepractice in rnaking them. Locate the numerals on the sheetas shown in Fig. 43. The slope of fractions must be the same as that of the alphabet;for example, take any…
Mechanical drawing
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