Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 189
n, since the H trace is sufficient to establish the ele-ments ab and co on one cylinder, and ef and gh on the other.These elements give four points, 1-4, on the line of intersection. 170 DESCRIPTIVE GEOMETRY [VIII, § 152 In the case shown in Fig. 165, planes passed through bothapexes will cut… … Fio. 165 In Fig. 166, the position of the objects is such that an auxiliaryprojection on a V plane, parallel to the base of the cylinder,is found most convenient. Once this projection is found,planes passed through the apex and parallel to elements of thecylinder, as X, will cut straight lines from…
Geometry, Descriptive
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