Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 300
here. This sphere intersects the conein two circles, A and B, and the ellipsoid in the circle C, allprojected in V as straight lines. The intersections of A andBv with Cv determine the F-projections of four points, 3, 4, 5,and 6, of the required intersection. To obtain the i7-projec- 278 XXVI, §… … Fig. 328. auxiliary spheres. Tin- only other sphere shown in the figureis T (T<), tangent to the cone. This sphere is tangenl to thecone in the circle D, ami intersects the ellipsoid in the circleE. The intersections of I) and E are the points 7 and 8,the lowest points of the curve of…
Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
