File:Visual optics.png

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Visual_optics.png(274 × 201 pixels, file size: 35 KB, MIME type: image/png)

Old woodcut from Dieulafait 1874 ("Diamonds and precious stones") of a man doing “Visual Optics”.

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current09:31, 3 June 2009Thumbnail for version as of 09:31, 3 June 2009274 × 201 (35 KB)Tim (talk | contribs)Old woodcut from Dieulafait 1874 ("Diamonds and precious stones") of a man doing “Visual Optics”.
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