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  Brightness and clarity improved - enlarging hole by inserting lens
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  Made portable in the form of sedan chairs
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  Niepce creates a permanent image
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  William Talbot patents his process under name "calotype" Using paper coated with silver iodide.
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  Scottish physicist James Clerk-Maxwell demonstrates a color photography system involving three black and white photographs, each taken through a red, green, or blue filter. The photos were turned into lantern slides and projected in registration with the same color filters.
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  Richard Leach Maddox, an English doctor, proposes the use of an emulsion of gelatin and silver bromide on a glass plate
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  Firs half-tone photo in daily newspaper, New York Graphic.
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  containing a 20-foot roll of paper, enough for 100 2.5-inch diameter circular pictures.
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  Brownie box roll-film camera - 1890
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  Nippon Kogaku K.K., which will eventually become Nikon, established in Tokyo.
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  By Harold ("Doc") Edgerton at MIT
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  First color multi-layered color film
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  Kodak Super Six-20
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  By Polaroid
-1st purpose-built underwater (Nikonos) - 
  
  
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  SX-70 camera
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