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Subject: Paper damaged by copper pigments

Paper damaged by copper pigments

From: Renate Mesmer <r.mesmer>
Date: Thursday, September 6, 2001
Martin Strebel <rest [at] atelierstrebel__ch> writes

>I have a French atlas (Le Neptun Francois Atlas nouveau des cartes
>maritimes, levees et gravees par ordre expres du roy pour usage de
>ses armees de mer, pris chez Hubert Jaillot aux deux Globes, 1693)
>with a lot of copper corrosion problems.

I have not much experience with paper damaged by copper pigments
(verdigris?), but I imagine that gossamer tissue coated with Klucel
G could be an idea to use on your objects. The gossamer is so thin
that you don't need a high percentage Klucel coating. We usually
coat it with a  2% Solution in water and then it can be reactivated
it with Acetone, which evaporates in a relatively short time.

Also, Irene Brueckle and Sarah S. Wagner wrote in the Book and Paper
Group Annual 15 1996, "Remoistenable Tissue Part II--Variations on a
Theme"
<URL:http://aic.stanford.edu/conspec/bpg/annual/v15/bp15-04.html>. I
think Sarah Wagner used the coated tissue for mending, to bridge
weakened areas by moistening the tissue.

Renate Mesmer
Centro del bel libro, Ascona
Switzerland


                                  ***
                  Conservation DistList Instance 15:23
                Distributed: Tuesday, September 11, 2001
                       Message Id: cdl-15-23-003
                                  ***
Received on Thursday, 6 September, 2001

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