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 111
Fig. 152 … angles to the axis in its new apparent direction; and also newside boundary lines from C and D toward the vanishing point. As the long diameter isalways at right angles to theaxis, it must change its positionwhen the object is moved so thatits axis appears changed indirection. We see thereforethat…
Drawing
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