Elementary perspective arranged to meet the requirements of architects, draughtmen, and students (1913)
Crosskey, Lewes R · London, Backie and son ltd · leaf 13
Fig. 2. In fig. 2 the triangle ABC lies in plane 1, or as it is usually expressed, plane 1contains the triangle A B C- The line A C can be contained by an indefinite number of planes.The line A C is shown as being contained by planes 1, 2, and 3. Fig. 3, … Introdnction. ELEMENTARY PERSPECTIVE. In fig. 3 the side A B of the triangle is shown as being contained by planes 1, i, From figs. 2 and 3 it will be evident that a straight line can be contained by anindefinite number of planes, and that one of these can always be a vertical one. A plane figure…
Perspective
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