----- Original Message ----- From: "Karl Shah-Jenner" > > Have you ever feel the desire to reverse process the B&W negs to produce > positives Guy? The formulae is quite simple - > > expose, develop, bleach in a sulphuric acid (0.5%) potassium > bichromate(0.5%) solution, wash with a 10% sodium sulphite solution (silver > solvent) , wash, fog then redevelop. > > karl > > This is a very interesting idea, Karl. Have you done that yourself or anyone else on the list? What about the chemicals: are they easy to find in photo stores? There is an interesting phenomenon that will happen, of course. The positive image will be inverted left to right... Thanks for the suggestion, Guy