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Historic Camera
Illustrated History of Photography

The People, Photographic Inventions, Cameras and Time Line of Photography


Our illustrated History of Photography section is self guided slide show. Just site back, click and enjoy.


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1727

Johann Heinrich Schulze (1687-1744))
Johann Heinrich Schulze, a professor of anatomy, After a number of experiments discovered that silver salts, specifically a piece of chalk dipped in silver nitrate turned black from white when exposed to the sun. The unexposed side remained white. He experimented creating crude photographic impressions, but eventually it all turned black due to exposure.


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