Fine grain developer by Agfa.

IngredientQuantity
Do not dilute.
Metol
1.5
grams
Sodium sulfite anhydrous
80grams
Hydroquinone
3
grams
Borax
3grams
Potassium bromide0.5grams
Water to make
1
liter

Develop for 8–10 minutes at 20°C.