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Exceptional case: the calotype

The calotype is also called the paper negative. The technique for producing them uses silver salts to make a negative image appear on paper, and was unveiled by William Fox Talbot in 1839. This paper negative could then be used to make multiple prints. The faded outlines and visibility of the paper fibre are typical for old calotypes.

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Calotypes always have heritage value. You should therefore contact your local heritage society for more info about how to preserve, store and digitise your valuable find.

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Met de steun van Vaal nderen en EFRO europees fonds voor regionale ontwikkeling