Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 215
Fig. 182 198 DESCRIPTIVE GEOMETRY [VIII, § 174 intersection of the envelope with H is a curve, tangent to thesuccessive projections of the right section, which determinesthe projection of the surface. … Fig. 183 VIII, § 175] CURVED SURFACES 199 II. The General Method. In Fig. 183, let it be requiredto draw the projections of the surface shown at (a) when itsaxis is ineUned to H and V as indicated by the hne he. The general method which will be followed consists in draw-ing the projection of the…
Geometry, Descriptive
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