Originally Posted by
Fr. Mark
You could file notches in the film holder flap edge to positively identify what holder each film came from. I find it a big help in tracking films and finding problem holders. It only works if there is enough exposure in that part of the film to expose the edge under the flap, of course. And, you will need to clean the holder. I used needle files. And, I used a system where V notches are at one edge and are 1-4, a rectangular/flat notch adds, 5, and round/U notches add 10. I got the idea from JB Harlin's articles on his website: jbhphoto.com
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