The teaching of drawing : its aims and methods (1910)
Polak, Solomon, Quilter, Harry Charles · London : W.B. Clive, University Tutorial Press · leaf 119
The object must be drawn carefully in outline, togetherwith the shadow. The darker portions may be boldlyshaded by parallel lines— (a) Curved, to follow the horizontal curvature, the lines 100 LIGHT AND SHADE. … Fig. 113. inade thicker at darkest portion—the pencil may be heldunder the hand (see Fig. 108). (b) Upright and curved, to follow the vertical contour—the lines closer together atthe darkest portion. (c) Straight lines at an angleof about 45°. These lines maybe thicker in the darkest por-tions. The…
Drawing
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