Higbee, F. G · New York, John Wiley & Sons · leaf 151
es of the given surface are inthe same plane. In Fig. 112 the given cone and cylinder have circular bases inV and are oblique to both H and V. Through 0, the apex of 140 ESSENTIALS OF DESCRIPTIVE GEOMETRY the cone, draw a line OQ parallel to the axis of the cyhnder.This Une will be common to all… … Fig. 113. intersect at D and C which are two points on the required inter-section. The last plane which cuts both surfaces is plane S.This plane cuts only one element from the cyhnder and two fromthe cone;, these elements intersect at A and B which are twomore points on the required curve. Between…
Geometry, Descriptive
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