Brief synopsis of the course of lectures in descriptive geometry; as arranged for the first year Faculty of Applied Science and Engineering, University of Toronto. [By] J. Roy Cockburn (1922)
Cockburn, J. Roy · [Toronto] University of Toronto Engineering Society · leaf 20
p. XVII In the same way, find the horizontal projection ab. To find the distance to the plane LMN from the point A, findthe projections (b^ and b) of the point B where the line AB inter-sects the plane LMN. Find the distance from the point A to the point B and the Prob. Xdistance AB is the required… … 19 Let LM be the vertical trace and MN the horizontal trace ofthe given plane, and ah^ the vertical projection and ab the hori-zontal projection of the given line AB. To find the orthographic projection of the line AB on the planeLMN it is riecessary to find the orthographic projection of thetwo…
Geometry, Descriptive
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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