The teaching of drawing : its aims and methods (1910)
Polak, Solomon, Quilter, Harry Charles · London : W.B. Clive, University Tutorial Press · leaf 103
C3 Fig. 86. Fig. 87. Suitable models in duplicate may be made of cardboard, sothat each child may obtain the approximate view desiredby the teacher. See the book-cover or portfolio (Fig. 87).(2) The horizontal rectangular plane may be taken next.(A large drawing-board, blackboard or card will… … the proportionate distance between ab and ac markedprevious to drawing the near adjacent edges to the right orleft. The angle of recedence of these lines may be gaugedby means of a horizontal line and verified, after drawing,by means of covering lines. Parallel receding lines should always be drawn…
Drawing
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