Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 101
Fig. 136. Fig. 137. B, is located by first drawing VQ through the F-traces of thegiven lines; then HQ is drawn through the JT-trace of A and X, § 106] PARALLEL LINES AND PLAXES 81 the point in which VQ intersects the ground line. This con-struction gives no check on the work, but may be used in…
Geometry, Descriptive
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