Freehand perspective and sketching; principles and methods of expression in the pictorial representation of common objects, interiors, buildings and landscapes (1910)
Norton, Dora Miriam · Brooklyn : D. M. Norton · leaf 38
ow it actually differs fromthe profile curves in Fig. 33. Insketching a profile curve, therefore, allowance must bemade, as shown in Fig. 33. Note how x, x, x, thepoints of the smallest diameter, fall in an ellipse at thatheight; also the points y, y, y, of the greatest diameter.One of these…
Drawing
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