Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 306
o Curved Surfaces. As hasbeen mentioned in § 180, it is not always possible to find a seriesof auxiliary surfaces which will cut simultaneous simple sectionsfrom each of two given surfaces, even when it may be easilypossible to cut simple sections from each surface when taken XXVI, § 199] SPHERE… … Fig. 331. cases already discussed. The intersection of two suchsurfaces, therefore, may well be taken as illustrative of thegeneral method of finding the intersection of any two curvedsurfaces. 286 DESCRIPTIVE GEOMETRY [XXVI, § 199 Problem 52. To find the intersection of any two curved…
Geometry, Descriptive
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