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Bible Dictionaries
Optography

Webster's Dictionary

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(n.) The production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye. The object so photographed shows white on a purple or red background. See Visual purple, under Visual.

Bibliography Information
Webster, Noah. Entry for 'Optography'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/optography.html. 1828.
 
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