Photographometer Pho*tog"ra*phom"e*ter, n. [Photograph + -meter.] (Photog.) An instrument for determining the sensibility of the plates employed in photographic processes to luminous rays. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Photographometer — Photographometer, Instrument zum Messen der Stärke der chemischen Einwirkung der Lichtstrahlen auf photographische Präparate u. zum Vergleichen der Empfindlichkeit dieser Präparate selbst; 1849 von Claudet erfunden; das Licht fällt auf das… …   Pierer's Universal-Lexikon

  • photographometer — …   Useful english dictionary

  • Antoine Claudet — Antoine François Jean Claudet (August 12, 1797 December 27, 1867), was a French photographer and artist who produced daguerreotypes. He was born in Lyon, was active in Great Britain and died in London. He was a student of Louis Daguerre.Having… …   Wikipedia

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