Higbee, F. G · New York, John Wiley & Sons · leaf 160
on the curve. Auxiliary plane T locates pointsD and C, and in this maimer the entire curve may be located. 119. Proposition 37. Given any surface of revolution to findits intersection with a cone. SURFACES OF REVOLUTION 149 Discussion. See Article 116. Construction. In Fig. 117 is a cylinder of… … Fig. 117. plane cuts a circle from each surface. Thus, plane R cuts fromthe cone a circle whose radius is yl and from the other surface acircle whose radius is x2. These two circles intersect at A andB two points on the required curve. By passing other planesparallel to R the curve of intersection…
Geometry, Descriptive
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