Ames, William L. (William Lewis), 1855-, Wischmeyer, Carl · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 21
s A and B form an equi-lateral triangle of IJ^ in. side, of which one side is inclined at 45° toX. Find the V traces of A and B. 10 DESCRIPTIVE GEOMETRY 28. The point a is at the H trace and the point b at the V trace ofthe line ^. The elevation of the line is inclined at 30° and the planat 45° to… … Fig. 9. two lines intersecting in X and extending indefinitely oneither side of it (Fig. 9). For the sake of clearness it is customary to representonly the part of the plane included in one quadrant. Theplane shown in Fig. 9 can be represented in four differentways, according as the part of the…
Geometry, Descriptive
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