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 24
ght of as a transparent verticalplane pierced in its middle by the direction of seeing. We have said the central direction of seeing is at right anglesto the face. Since the face is generally vertical, the direction ofseeing is generally horizontal (A in Fig. 14, Ch. III). The com-monest exception… … it when looked at from above. That is, it is at right angles from sideto side, and in a plan will always be shown at right angles, as inFig. 8. Return now to the seat (Fig. 7), and try pencil measurementon the turned book. Imagine as clearly as possible the trans-parent picture plane at arms…
Drawing
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