Kodak D-103

   
Kodak D-103
    D-103  
water (125°F)   750ml
metol 2.0g
hydroquinone 5.0g
sodium sulfite (anhydrous) 100g  
borax (decahydrate)   1.0g  
boric acid (crystalline)   15.0g  
potassium bromide   0.125g  
water to make   1 liter  

 

D-103 is a developer intended for small scale development of variable density sound negatives. According to Richard Knoppow, this developer was probably meant for making test negatives for evaluation purposes in the sound recording department.

(Suzuki, 2003)