Dr. Roland F. Beers give directions for stock solutions of a developer which may be combined in different proportions so that it will provide a progressive range of contrasts.
Solution A
Metol 8 grams
Sodium Sulphite 23 grams
Potassium...
Solution A
Metol 8 grams
Sodium Sulphite 23 grams
Potassium...
You do not have permission to view the full content of this resource.
Log in or register now.