Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 133
ch the given line pierces each of these planes (§ 78). If the givenK line pierces the solid, two of the points deter-mined above will liewithin the limits of theprojections of the solid.They are the requiredpoints. When the givensolid is so placed thatthe traces of the bound-ing lines fall outside… … Fig. 116 VI, § 104] POINTS, LINES, AND PLANES 117 Pass the H projecting plane, R, through ah. The traces ofthe lines 1-4, 2-4, 3^ on R are at once apparent on plan, atc*, d!, e*. The V projections of c, d, and e are found by projecting up-ward from c*, d, e*, to the lines 1°—i, etc. The line of…
Geometry, Descriptive
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