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Re: Scanning glass negatives



We have had very good luck scanning glass.  We use a mylar sheet and have had no adverse affects to image quality.  However, the glass negatives will scratch the mylar, so you have to check it after each scan.  We scan with the emulsion side up and have had no problems due to thickness of the glass.

Scott Cline
Seattle Municipal Archives
600 Fourth Avenue, Room 104
Seattle, WA 98104
206-684-8353

>>> Steven Phalen <Steven.Phalen@ASU.EDU> 06/05 9:58 AM >>>
Hello,
I'm wondering if someone might have some advice for scanning glass plate
negatives.  I'm wary of the glass-on-glass contact, so how can this be done
effectively without scratches either to the scanner glass or the plates?
Thought of mylar between but am concerned about the "moire"(sp?) effect.

Also, I imagine that for quality reasons the emulsion should go down due to
the thickness of the glass.

Any advice here is greatly appreciated!
(Please copy me on replies since I don't subscribe to the list at this time)

        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          Steven L. Phalen
          Library Specialist Senior
          Dept. of Archives & Manuscripts
          Arizona State University
          Phone:(480)965-2544; Fax:(480)965-9169
          E-mail:thirteen@mainex1.asu.edu 
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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