A kind of paper negative invented by William Henry Fox Talbot in 1840. Talbot used writing paper treated with light-sensitive chemicals, principally silver and potassium iodide, to produce a negative from which multiple copies could be printed.
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calotype
A kind of paper negative invented by William Henry Fox Talbot in 1840. Talbot used writing paper treated with light-sensitive chemicals, principally silver and potassium iodide, to produce a negative from which multiple copies could be printed.
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