Beautiful warm tones may be obtained with this developer on both contact and projection papers. (Ed note – developers don’t generally cause tone shifts with modern papers as well as they did with older papers.)

 

 

Hot water (125F or 52C) 750 ml
Hydroquinone 22.5 g
Sodium Sulfite, anhydrous 17 g
Sodium Carbonate, monohydrated 71 g
Potassium Bromide 2.75 g
Water to make 1 L

 

For use dilute 1 part stock solution with 5 parts water.

Give prints 3 to 4 times normal exposure and develop 1 to 7 minutes at 68F (20C).

From Ansco Formulas for Black and White Film by GAF, 1948 – Formulas are provided for historical reference. They may not work well with modern films and papers. Some of the chemicals can be dangerous. As with all photographic processes, be careful.