Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 143
ectifying the curve. By using a suflScient number of known points, the method of §§ 120,127, and 130, IV, can be made to give a very close approximation of thetrue curve; but the construction is tedious. r k hq f e- d-^^ b __g Fig. 121 126 DESCRIPTIVE GEOMETRY [VII, § 111 II. Space Curve. Any space… … a i_c ~ c i ( --1 -^ \ \ z (^) a> «■ c d e z a b c .d e (3)Fig. 122 Fig. 122. The plane curve thus determined may then berectified to a straight line, as shown in Fig. 122, 3, if desired. 112. The Conic Sections. Curves of the group known as theconic sections occur frequently in optics,…
Geometry, Descriptive
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