File:33 Optics.png
33_Optics.png (482 × 262 pixels, file size: 5 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:41, 15 March 2017 | 482 × 262 (5 KB) | JMoreau (Talk | contribs) | {{cc-by-sa-nc-3.0-self}} |
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