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I read that foxing in some cases could be iron in the water in the rag
before ca. 1790 when handmade paper the norm, using wooden hammers.
after 1790 with the mechanical paper machine-one endless sheet. -they used a
iron rag beating machine that put a lot of iron in the paper-like books from
1850s that have dark foxing spots-pieces of iron possibly.
At 08:54 AM 12/30/95 -0500, Peter D. Verheyen wrote:
>No one really knows what foxing is, whether it's biological or chemical. Yes
>it is disfiguring but in most cases that's about it. It is exaserbated by
>high humidity and temp though... If you bleach it it will come back, worse,
>because the rest of your paper will be whiter. Alcohol can be great for
>mold, but not above 70%. The reason for this is that a higher alcohol
>content dires out the shell of the mold spore, sealing it in until such a
>time as growing conditions are better. 70% will penetrate the spore and
>actually kill. You need those 30% water.
>Peter D. Verheyen <wk> 315.443.9937
>Conservation Librarian <fax> 315.443.9510
>Syracuse University Library <email> firstname.lastname@example.org
>Syracuse University <www> http://web.syr.edu/~pdverhey/
>Syracuse, NY 13244 <listmgr> Book_Arts-L@listserv.syr.edu