21/02/1947 Polaroid camera is demonstrated for the first time
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The Polaroid Camera: Where did it come from? | Stuff of Genius
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PRA PRESENTS: Dr. Land and His Legacy-Back to the Future.
American inventor Edwin Land demonstrated the Polaroid camera at the meeting of the Optical Society of America in New York City. It made black-and-white photograph in just sixty seconds. The Polaroid cameras were very popular for most of the second half of the twentieth century. Land also invented a new theory of colour vision.