02-03-2011, 03:26 PM
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D.B. Cooper
Member
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Join Date: Apr 2009
Location: San Francisco
Posts: 1,151
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Quote:
Originally Posted by barrysloate
Greg- of course I don't know for sure chemicals were used, but on many occasions I've sent paper ephemera to my conservator to clean, and to remove a stain of that nature, he's always had to use a chemical of some kind. I just don't know how you would remove the stains on that Plank without some form of solution. That is not easy to get out.
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