Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 154
Fig. 209. … Fig. 210. Q. I Ha \ \\ * / a / Y va Q.> Fig. 211. Special Case. Let the given plane Q, Fig. 211, be parallelto the ground line. Find the profile trace of ^>on any assumedprofile plane. This trace, PQ, is an edge view of the plane(S 60), and gives the required angles, a with //and (3 with…
Geometry, Descriptive
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