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fitted the camera obscura with a lens and a mage sharpener opening.
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discovered that the change in color of a mixture of silver nitrate and chalk, in sunlight, was caused by light,
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discovered that by contact printing, on paper coated with silver nitrate or silver chloride, silhouettes and images of paintings cane be made on glass.
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made a crude photographic camera from a jewel box and a simple lens. With it he made a negative image.
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William Henry Fox Talbot discovered a method of makeing the camera obscura image permanent
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Lois J.M. Daguerre invented daguerreotype process. The image was recorded on a silver plate made light sensitive with iodine. The plate was then developed in mercury vapor.
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Sir John Herschel used sodium thiosulfate, or hypo, to make pictures permanent.
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Frederick Scott Archer invented the wet collodion process for making negatives.
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James Clerk Maxwell reproduced a colored ribbon by the three color additive process.
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Richard L. Maddox prepared the first gelatino bromide emulsion.
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Eadweard Muybridge first made serial photographs of moving animals and people Later, he projected them, showing motion.
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George Eastman began his dry plate business in Rochester (New York). The Kodak system was started in 1888 by the Eastman Dry Plate and Film Company, and a box camera was placed on the market. The camera was sold already loaded with enough film for 100 exposures. After exposure, both camera and film were returned to Rochester, where the film was removed and processed and the camera then reloaded and returned to the customer.
