Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 70
racesof the required plane S are drawn parallel toffiVand VN^ respectively. This method is applicable to all conditionsof Case 1. 77. Case 2.* To pass a plane through agiven point perpendicular to a given line. Fig. 120 illustrates a condition in which theprojections of the given line are… … vs /I VN y^ ! ^i 1 1 /1 0/ \/ HN y HS Fig. I 19.
Geometry, Descriptive
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