Higbee, F. G · New York, John Wiley & Sons · leaf 133
nor axis. Since CD is parallel to V and the axes areperpendicular, the major axis will be projected on H as a pointat p^ and on V as a line through p perpendicular to cd. 122 ESSENTIALS OF DESCRIPTIVE GEOMETRY Now through p^ draw the projection of the elements which passthrough the ends of the… … FlG. 97. vations, then, of the axes of the right section at P, and byrevolving them into V about rR the true size of the curve maybe drawn at AvByCvDy. 104. If the base of the cone is an ellipse whose major axiscoincides in direction with the projection of the axis of the cone,this same method may…
Geometry, Descriptive
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