File:Basic refraction path.png
From The Gemology Project
Basic_refraction_path.png (640 × 480 pixels, file size: 13 KB, MIME type: image/png)
Basic refraction path. By Doos
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|current||08:39, 3 August 2007||640 × 480 (13 KB)||Doos||Basic refraction path. By Doos|
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