Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 32
Fig. 49. 0 4 8 12 16 20 2 Fig. 50. Fig. 51 16 DESCRIPTIVE GEOMETRY 24. To determine the traces of a line. Principle. The traces of a line are thepoints in which the line pierces the coordinateplanes. The projections of these traces must,therefore, lie in the projections of the line, andone…
Geometry, Descriptive
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