Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 282
se to intersect B, hence we have reached the limit ofuseful auxiliary planes in this direction. (See the Analysis.) Coming forward from the plane M, we reach the limit ofuseful planes with the plane Z, tangent to the cylinder A, Aplane in front of Z will contain no elements of the cylinder A. The… … Fig. 320. 262 DESCRIPTIVE GEOMETRY [XXV, § 192 (§191)—can be foretold. In the present case, one limitingplane is tangent to one of the solids, the other plane tangentto the other solid. This means that each solid cuts part way,but not completely through the other, and the intersection con-sists of…
Geometry, Descriptive
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