PRINTING PROCESSES 

 TabiuE VII. — Defender Formulas 



443 



Hot water, oz 



Metol, gr 



Sodium sulphite (dry), oz. . . 



Hydroquinone, gr 



Sodium carbonate (dry), oz . 

 Potassium bromide, gr ...... . 



Cold water to make 



Dilution 



Temperature, °F 



Developing time, see 



Artura 

 Iris 



16 

 22 



90 



y2 



10 

 32 

 1-1 

 65° 

 45-60 



Apex. 



32 



15 



V2 



60 



a 



9 



70 

 45-60 



Apex. 

 b 



32 



14 

 192 gr. 



52 

 365 gr. 

 4 



1-2 



65-70 



45-60 



Velour 

 Black, c 



40 

 15 



60 

 25-60 



70 

 1^-^-4 min. 



Velour 

 Black, d 



40 



20 



1 



60 



a 



20 

 70 



}i 



Veltura 



16 

 22 



90 



M 

 10 

 32 

 1-1 

 70 

 1^2 min. 



a. Normal 



6. Photo finishing. 



c. Use for Apex portraits. 



d. Fast development. 



Table VIII. — Eastman Paper Developers 



Water (125°F.), oz 



El on, gr 



Sodium sulphite 



Hydroquinone, gr 



Sodium carbonate 



Potassium bromide, gr. 



Water, oz 



Dilution 



Athenon 



Chlorobromide 

 olive tones 



D-52 



16 

 22 



>2 OZ. 



32 



Z»-74 



16 



12 

 350 gr. 



64 

 175 gr. 



32 



32 

 b 



64 



General 

 purpose 



i>-72 



16 



45 

 1-1^2 oz. 

 175 

 2->4 oz. 



27 



32 



Photo 

 finishing 



16 

 40 

 1 oz., 140 gr. 

 155 



2->2 oz. 

 12 

 32 



d 



a. Dilute 1 to 1. To each 32-oz. dilute developer add 3-^ oz. of 10 per cent potassium bromide. 



b. Dilute 1 to 1. Develop 1 to }4 min. 



c. Dilute 1 to 2 for chloride; 1 to 4 for bromide. 



d. Dilute 1 to 2. 



Table IX. — Agfa Developers 



Metol 



Sodium sulphite (anhydrous) 



Hydroquinone 



Sodium carbonate (monohydrated) 



Potassium bromide 



Water 



Dilution 



Temperature 



Developing time 



" Convira. 

 * Brovira. 



^■-103 



51 gr. 



1?^4 OZ. 50 gr. 

 }i OZ. 55 gr. 



2J.^ oz. 35 gr. 

 18 gr. 

 32 oz. 



1-1° 1-4?' 

 70 



1 min.olH-S* 



120 (B-20) 



1-4 oz. 70 gr. 

 1 oz. 88 gr. 



1 oz. 88 gr. 

 27 gr. 

 32 oz. 



1-2 

 70 



\M-3>' min. 



125 (B-5) 



45 gr. 



IH 

 J-4 oz. 65 gr. 



2,14 oz. 

 30 gr. 

 32 oz. 



1-4 

 70 



11-2-3'' min. 



135 (TF-5) 



24 gr. 



34 oz., 20 gr. 

 96 gr. 



H oz., 20 gr. 

 40 gr. 

 32 oz. 



1-1 

 70°F. 

 1^2-2'' mill. 



