Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 83
Intersection of Right Prisms — Special Case. Whentwo prisms are drawn as shown in Fig. 62 a, it is not at onceapparent where they intersect. The problcn^ of determiningthe line of intersection becomes very simple when it is re-membered that the line of intersection will be that line whichjoins the… … FiQ. 62 in which each edge of the inclined prism intersects some face ofthe upright prisiii, using the principle of § 31. In this casewe find the trace of a line on the plane bounding the prisminstead of finding its trace on H or V. In Fig. 62 a, the trace of the edge cd is found by noticing that…
Geometry, Descriptive
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