This developer is recommended for use with commercial film to produce negatives of normal contrast. It may also be used satisfactorily for roll, pack and sheet film for negatives of average brilliance.
|Hot Water (125F or 52C)||750 ml|
|Sodium Sulfite, anhydrous||15 g|
|Sodium Carbonate, monohydrated||15 g|
|Potassium Bromide||1 g|
|Water to make||1 L|
Do not dilute for use. Normal developing time, 4 to 6 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From Ansco Formulas for Black and White Film by GAF, 1948 – Formulas are provided for historical reference.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.