Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 101
ue projection is beyond the scope of this work and is ex-plained more fully in the authors book on Descriptive Geom-etry and in other books on the same subject. In order to make sectional views easily understood, the dif-ferent kinds of material assumed to be cut are sometimes in-dicated on the… … MECHANICAL DRAWING AND DRAFTING ROOM PRACTICE 8l method is termed sectioning and consists of various combina-tions of spacing, and light and heavy weight Hnes drawn paralleland covering the area which represents the surface assumed tobe cut and exposed to view. No uniformity exists in practiceas to…
Mechanical drawing
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