Description: Photographic formulary, technical information and related sites. Many developer, toner and fixer formulas for the advanced amateur and professional darkroom enthusiast.
photography (49591) film (20429) developer (8517) science (6058) bath (1976) stop (511) photographic (427) exposure (167) fixer (149) formulary (34)
This web page is dedicated to the
dissemination of otherwise forgotten
or difficult to find photographic data.