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DAY 42 | HISTORY OF PHOTOGRAPHY |
The Calotype
ACCENTUATING THE NEGATIVE
British scholar William Henry Fox Talbot had also been experimenting with the photographic process around the same time as Daguerre and Niepce. In fact, he had demonstrated a method of recording an image on paper in 1833, six years before Daguerre’s announcement of a successful process. He created a negative process whereby reverse silhouettes (white lines) were produced when objects were placed on a piece of paper treated with a combination of sodium chloride and silver nitrate and then exposed to the sun. After removing the objects from the paper, an image of them ...
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