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From Ansco Formulas for Black and White Film by GAF, 1948 – Formulas are provided for historical reference.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.

