Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 266
may be shown by symbols or notes, or both. In casea hole is to be bored, drilled, reamed, cored, etc., a note is usuallymade in connection with the dimension figure. Fig. 299. Acylindrical surface to be turned, ground, polished, rough finished,etc., may have the method of finishing indicated in the… … Fig. 299. Methods of Indicating Finish the character f may be placed across the lines which representthese surfaces viewed edgewise. Fig. 299. While the indication of finish is a very small part of a draw-ing, it is nevertheless a very important detail. The omission of afinish mark may mean the…
Mechanical drawing
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