Higbee, F. G · New York, John Wiley & Sons · leaf 104
Fig. 74. Discussion. Since the right section lies in a plane perpendicu-lar to the axis the edges of the surface will be perpendicular tothis plane. If, then, through the corners of the given right sec-tion lines be drawn perpendicular to the plane of this sectionthese lines will be the edges of… … Fig. 7S, Construction. In Fig. 75, T is the plane of the given rightsection whose center is at the given point 0. The section is tobe a square of given dimensions. To find the plan and elevation 94 ESSENTIALS OF DESCRIPTIVE GEOMETRY of this section 0 is revolved into V at Oy; around this positionof…
Geometry, Descriptive
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