The teaching of drawing : its aims and methods (1910)
Polak, Solomon, Quilter, Harry Charles · London : W.B. Clive, University Tutorial Press · leaf 88
, and of course willvary according to the height of eye. 93. Experiment 3, and 1st Practice.—The apparatus(Fig. 75) consists of two upright rods with small blocksattached and fixed into a bottom board. By resting a discon these at varying heights and keeping its surface per-fectly horizontal its… … Fig. 74. 70 DRAWING OF OBJECTS IN PERSPECTIVE. point in the curve appears higher than the farthest, thesurface having an apparently downward direction. This apparatus may beused in the same mannerwith square, triangular, orother shaped planes. Thefact that a horizontal planeof any shape in the…
Drawing
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