Warped punched cards

Yesterday, I assisted a member of our meterology department by running two boxes of punched cards through my reader and saving the data for him: http://sturgeon.css.psu.edu/~mloewen/Oldtech/Documation/ I don't know how the boxes were stored, but all of the decks had a severe curve (lengthwise) which made it necessary to unbend them enough to go through the reader. I was only able to read 100 cards or so at a time, or else they would start to jam in the stacker. The job took about 2 hours (read and verify), but I would have been able to complete it in much less than an hour if I could have run complete decks through. Does anyone have any tips for straightening warped cards? The Documation machines will read just about anything, due to their short, straight feed path and vacuum picker mechanism, but being able to flatten out a batch of cards would be preferable. Mike Loewen mloewen at cpumagic.scol.pa.us Old Technology http://sturgeon.css.psu.edu/~mloewen/Oldtech/