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This is an exceedingly energetic developer intended for plates which have received minimum exposures.

On account of the yellowish colour of the image even very weak negatives may have good printing contrast.

Working solutions
Ingredient Quantity
Mix chemicals in order.
Solution A
Metol 2 grams
Potassium metabisulfite 6 grams
Pyrogallic acid 6 grams
Water to make 0.5 liters
Solution B
Sodium carbonate crystalline 100 grams
Water to make 0.5 liters

For use, mix equal parts of Solution A and B.