Beta-ray technique applied to the study and reproduction of ancient watermarks (original) (raw)

AIP Conference Proceedings, 2000

Abstract

This paper describes the importance of watermarks reproduction, in particular the advantages and potentiality of beta-ray technique's application to this aim is emphasized. The method involved a radioactive carbon sheet which emits radiation that images a photographic film. After a conventional processing the film produces an exact copy of the watermark. Techniques which give similar results are also considered. .

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