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Wow, what a hornets nest! I'm going to try reducing the complexity of the left margin black lines, etc., by eliminating re-quotation of the complete history of the argumentation each time, and address multiple respondents in one e-mail. The List has a good archive, and those coming late upon the discussion who are interested can look it up. Unless I hear otherwise.

First, a comment about motivations. My transfer scenario was not and never could be an attempt to prove the Vinland Map authentic. It was merely an attempt to "de-disauthenticate" the map after McCrone's unstated assumption that 20th Century anatase could only have been inside the ink from the beginning. I suspect that one of the motivations that has entered the VM debate is paranoia. Kirsten Seaver has suggested that R.A. Skelton's reputation has been tainted by his involvement with the map. Even though I admire British cleverness , doesn't David Bradbury's description sound a bit paranoid: "If the British Museum investigators were right in observing that the finest writing tended to lack the black crust, and McCrone was right about most of the black crust from the main lines being removed deliberately, then the "painful" retracing could be a much more casual process, applying the carbon fairly rapidly to the major lines and to random points in the fine writing, then scraping most of it away, particularly where it was badly matched with the underlying yellow." Talk about painful! This is even more self-serving to the forgery conclusion than my scenario is to authenticity.

Ken Towe's caustic approach is not unfamiliar to me. But I want you to know that he was solely responsible for my first public presentation of the scenario at the Washington ICHC in 1979 (even though as peer reviewer he had torpedoed its submission to _Science_). At that time I was willing to go along with what I understood was the establishment idea of the retracing, and my 2002 Appendix attempted to reflect that presentation. But my scenario is not fixed by these publications -- I'm willing to change it organically for the better. Science is not a court of law where changing stories show weakness. It consists of ongoing steps of progress. As for the Plenderleith citations, the first one (footnote 7) was to establish his early (1937) advocacy of bleaching, not to describe the tissue process. The second (footnote 9) was to establish the front-face tissue process (where he had by 1956 abandoned bleach for other cleaners). But yes, the detailed scenario for the VM anatase transfer is specifically mine. Ken, in an earlier post (12:53 AM, 12/13/2009) I had suggested that Jacquelin Olin might have connections in Chicago that could yield spectra results for tannin or not. Might you also have such connections?

Best to all,   Jim

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