Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 102
Fig. 62. — Conventional Sectioning. new materials are constantly being introduced, it is betterpractice to use only the simple parallel lines [see Fig. 63 (a)]and then designate the ma- terial by writing its abbre-viation (seepage 103, § 67)on the ruled surface or insome other simple manner.Where a…
Mechanical drawing
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