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talbot |
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Talbot (William Henry) Fox. 1800--77, British scientist, a pioneer of photography, who developed the calotype process talbot [′tal·bət] (optics) A unit of luminous energy equal to the luminous energy carried by a luminous flux of 1 lumen during a period of 1 second. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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