File:3wayray.gif
3wayray.gif (158 × 158 pixels, file size: 3 KB, MIME type: image/gif)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:54, 14 November 2017 | ![]() | 158 × 158 (3 KB) | HLHJ | =={{int:filedesc}}== {{Information |description={{en|1=A 3-way pendant prism from a vault light, showing total internal reflection of light}} |date=1915 |source=Ian Macky, http://glassian.org/Prism/3Way/14S/page2.html |author=American 3-Way Prism Co's... |
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