Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 160
ill be parallel to H(or V), and hence will be projected on H (or V) in its truelength. This being the greatest possible projection of anydiameter, it must form the major axis of the ellipse which is VII. § 1?81 CURVED LINES 141 the required projection of the given circle. By the same token,that… … Fio. 139 In Fig. 139, let it be required to draw the projections of acircle lying in the plane X, with its center at o. Rabatte theV trace, X X, and the center o, into H (§§ 91 and 92). Drawa circle of the required size with its center at o*- Draw thediameters which are parallel and perpendicular…
Geometry, Descriptive
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