File:Critical angle 2.JPG

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Original file(828 × 668 pixels, file size: 36 KB, MIME type: image/jpeg)

By Brian Thompson (used with permission)

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current08:57, 2 July 2007Thumbnail for version as of 08:57, 2 July 2007828 × 668 (36 KB)Doos (talk | contribs)By Brian Thompson (used with permission)
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