Machine drawing; a text and problem book for technical students and draftsmen (1921)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 62
Fig. 92. Section through Rib. as they would project. Fig. 93 at I is a true projection but better prac-tice is shown at II. … I Fig. 93. ^^y^^^/\ 7////// Z//////^ >/////^y ^/////J Y^///// E 52 MACHINE DRAWING When a rib occurs on a plane of a section in such a way that it isnecessary to call attention to it, alternate sectioning can be used as in
Machinery
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