Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 215
theH projection, theminor axis will be ■ projected in a lineparallel to V, at6a*. The majoraxis is perpendicu-lar to fe^o*, at itscenter, and itslength is equal toa^b as given onthe V projection.The H projectionof the circle of con-tact can be com-pleted by drawingan ellipse through o*d*6*e*. The V… … VIII, § 174] CURVED SURFACES 197 The elements of sight of the cone can now be drawn through0 and tangent to the circle of contact. If carefully drawn, theelements of sight, the circle of contact, and the projection ofthe sphere will pass through a common point. 174. To Draw the Projections of a…
Geometry, Descriptive
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