Publisher's Synopsis
Excerpt from Brief Synopsis of the Course of Lectures in Descriptive Geometry: As Arranged for the Second Year Faculty of Applied Science and Engineering, University of Toronto
In problems in descriptive geometry, curves like other lines are usually represented by their projections.
If a curve of single curvature have its plane perpendicular to a plane of projection, its projection on that plane is a straight line.
If the plane of the curve be parallel to the plane of projection, the projection Will be of exactly the same form as the curve itself.
The projection of a curve of double curvature can never be a straight line or of the same form as the curve itself.
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