Quote Originally Posted by Prof_Pixel View Post
All this talk about tray developing film takes me back.... I got started in photography as a teenager about 60 years ago using the see-saw method of tray developing Verichrome (back in its ortho days) with a red safelight and MQ developer. (Remember the old Kodak Tri-Chem packs?)
According to Mees & Sheppard "Verichrome" needed the same filter a Panchromatic emulsions a Wratten Series III because it was "Red sensitive" You must have been using a much later version

Ian