Quote Originally Posted by BetterSense View Post
Please elaborate.
I assume you mean to refer to my post.

It is well known that all B&W films can be processed to give reversal images with a special kit made by Kodak and a number of other companies. It is less well known that the same process will work with paper, but with a loss in speed and a need to tweak the developers a tad to get the right contrast.

There are several threads devoted to this on APUG.