I would experiment with warming them up before flattening them.
Vinyl/Plastic softens quite easily. I think moisture will cause damage.

Alan C

-----Original Message----- From: Stan Halpin
Sent: Friday, May 31, 2013 7:27 PM
To: Pentax-Discuss Mail List
Subject: Help needed with curly film

Remember film?

Short story: I am trying to scan some old negatives (color and B&W). "Old" as in some of the B&W go back to the early 1940's. Mostly cut into strips of 4 or 6 frames. Some are badly cupped and/or curled to the point that I cannot make them stay within the film holder on the flatbed scanner (Epson V600). Any suggestions for practical means of flattening these? There is a large number of negatives involved, most of them probably have nothing of merit worth scanning/preserving, but I can't tell until I scan/preview.

Longer story: My father-in-law was a prolific photographer. He has multiple notebooks of neatly filed an labeled contact sheets & negatives (35mm, 645, 6x6, some 3x4", some 4x5). Those are in fairly good condition and easy to deal with; most will go directly to the local Center for the Arts (MCFTA) or Historical Society. (For 20+ years he was the primary photographer for the MCFTA, everything from portraits of board members to publicity shots for advertising posters for upcoming concerts and plays, etc.) But there are a few shoe boxes with items less well preserved. The negatives are mostly cut with one roll together in a sleeve, mostly annotated with the date taken and the date he made prints from the negs. Some of those are usable, particularly the medium-format (scannable), some are badly cupped, and some have somehow gotten into a lengthwise spiral.

So do I soak and hang out to dry, with appropriate weights attached? Any better, easier, alternative?

stan
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