Photographers' Formulary Sodium Sulfite (Anhydrous, 5 lb) Common Developing Agent Preservative, Energizer for Amidol Developer, Used in Acid Fixing Bath, Blackener for Negative Intensification CHEMISTRY-Alternative Process & Miscellaneous Chemistry
Photographers' Formulary Sodium Sulfite (Anhydrous, 5 lb) Common Developing Agent Preservative, Energizer for Amidol Developer, Used in Acid Fixing Bath, Blackener for Negative Intensification CHEMISTRY-Alternative Process & Miscellaneous Chemistry