Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 235
ss a local section notation is in use.Except for a few cases where it is desirable to distinguish betweenthe metals in adjacent parts, such as the babbit and the castingof a bearing, nothing is gained by using characteristic sectionlines since, in general, a note must be added to insure… … Fig. 257. Section Through Eibs, Shafts, Bolts, etc.
Mechanical drawing
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