Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1914)
Griffin, Charles Lewis, 1867-, Adams, Charles Clyde, 1882- joint author · Chicago, American technical society · leaf 20
Fig. 12 is similar to Fig. 11but with a hole instead of a lug,and the difference in shade linesshould be noted. Fig. 13 is the same as Fig.11 with a round boss and thelower right-hand corner rounded. Fig. 14 is a plain washer,Fig. 15 a common hexagonal nut. Fig. 16 is a washer or diskwith a shaft… … Fig. 13. Location of Shade Lines forRounded Corner
Machinery
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