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Subject: Identifying print

Identifying print

From: Scott Kellar <skkellar<-a>
Date: Sunday, April 20, 2008
I have a book with several small maps and illustrations on blue
paper. The imprint is: Annual Report of Colonel B.H. Grierson, 10th
Cavalry, Commanding, Department of Arizona, 1889. The maps are on
white paper, 'cover weight' with a cobalt blue coating on the recto.
The images and text appear 'etched' and show up as white on the blue
background, although the white is more of a light blue. The verso is
white with bluish residue as if coming from the recto. The paper
does not seem to be brittle.

I would appreciate any insight on the chemical nature of this
printing process, and how it might be best preserved.

Scott K. Kellar
Bookbinding and Conservation

                  Conservation DistList Instance 21:59
                   Distributed: Saturday, May 3, 2008
                       Message Id: cdl-21-59-028
Received on Sunday, 20 April, 2008

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