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photographic emulsion |
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photographic emulsion [¦fōd·ə¦graf·ik i′məl·shən] (graphic arts) Microscopic grains of light-sensitive silver halide suspended in a gelatin surface on paper, plastic, metal, or glass; used to coat photographic film. 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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Perkin's discovery also led to others, such as saccharin, artificial perfume, acids used to preserve canned food, improved photographic emulsions, and bigger nitroglycerine explosives. The same method of reproduction by means of photographic emulsion and frottage was used for all the texts and tills, robbing the materials of their monumental character as original museum pieces and giving them instead the look of something fleeting or fragmentary. Scientists first noticed these "star events" while using thick photographic emulsions to detect cosmic rays. |
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