File:Study of the Graduations of Shadows on Spheres.jpg

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Study showing the Graduations of Shadows on Spheres (c. 1492) is a drawing by Leonardo da Vinci.
Source: http://www.drawingsofleonardo.org

This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
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current23:38, 3 April 2023Thumbnail for version as of 23:38, 3 April 20231,600 × 1,644 (1.29 MB)wikimediacommons>HohumFrom HQ source
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