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III. Six Books on Light and Shade: 154.
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III. Six Books on Light and Shade: 154.
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III. Six Books on Light and Shade: 154.

154.

OF PERSPECTIVE.

The shaded and illuminated sides of opaque objects will display the same proportion of light and darkness as their objects 68 .

Footnotes
  1. 89:68

    6: The meaning of obbietti (objects) is explained in no 153, lines 1-4.--Between the title-line and the next there is, in the original, a small diagram representing a circle described round a square.

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