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VINLAND Map

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Author Topic: VINLAND Map  (Read 318 times)
Bianca
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« on: October 04, 2007, 07:34:41 pm »








Authenticity


In the absence of a clear provenance for the map, there have been claims that it is a forgery (somewhat strengthened by the 1957 dealer's admission, printed in the second edition of the Skelton book, that he had told lies during the authentication process) and examinations by a number of institutions have returned conflicting results.





Dating of parchment


Radiocarbon dating, performed by physicist Douglass Donahue and chemists Jacqueline Olin and Garman Harbottle, place the origin of the parchment somewhere between 1423 and 1445, although the entire map appears to have been coated with an unknown substance sometime in the 1950s.

This could have been part of a previously undocumented attempt at preservation, or could have been done by a forger as part of the process of drawing a new map on a previously-used piece of 15th century parchment. It is unclear whether the ink on the map is on top of this more recent layer of material or not.
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