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The forerunner of the movie house invented by Robert Barker
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Joseph Niepce achieves first photographic image with camera obscura - however, the image required eight hours of light exposure and later faded.
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The first image that was fixed and did not fade and needed under thrity minutes of light exposure.
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William Henry Talbot patents the Calotype process - the first negative-positive process making possible the first multiple copies.
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First advertisement with a photograph made in Philadelphia.
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Frederick Scott Archer invented the Collodion process - images required only two or three seconds of light exposure.
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Oliver Wendell Holmes invents stereoscope viewer.
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Photographs and photographic negatives are added to protected works under copyright.
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Richard Leach Maddox invented the gelatin dry plate silver bromide process - negatives no longer had to be developed immediately.
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