Higbee, F. G · New York, John Wiley & Sons · leaf 144
Fig. io6. Construction: First Case. When the bases of the givencyhnders he in the same plane. In Fig. io8 one cyKnder is perpendicular to H and the otheroblique to H and V; both have circular bases in H. Pass plane INTERSECTION OF SURFACES 133 … Fig. 107. 134 ESSENTIALS OF DESCRIPTIVE GEOMETRY R through both cylinders cutting elements from each. Theseelements intersect at A, B, C, and D, as shown. If enough auxil-iary planes similar to R are passed a sufficient number of pointsmay be obtained to draw a curve of intersection.
Geometry, Descriptive
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