Quote Originally Posted by Michael R View Post
I wonder why we don’t read of this more in the writings of photographers who did a lot of contact printing (Weston, for example). Unless maybe the bases of old films were less shiny or something.
Yes, maybe retouching directly on the negative was more commonly done, and sheet films of that era were more often coated on bases with a "tooth" to accommodate that. I imagine it shouldn't be too difficult to confirm or disprove that as a historical assertion.