DEVELOPING-OUT PAPERS 207 
Then add: 
Wood alcohol 200 ccm 634 oz. 
3. Sodium carbonate, dry 94¢ Boe 
Water } 1000 ccm OZ 02: 
For normal developer for Artura Iris, use: No. 1, 125 ccm, 
potassium bromide, 10 per cent solution, 3.5 ccm, water to 
1000 cem (No. 1, ate bromide solution, 30 min., water to 
16 0z.). 
For soft developer for Artura Iris, use: No. 1, 62.5 ccm, 
No. 2, 62.5 ccm, water to 1000 ccm (No. 1, 1 oz., No. 2, 1 0z., 
water to 16 0z.). 
For Artura Carbon Black or Carbon Green, use: No. 1, 
250 ccm, No. 3, 62.5ccm, potassium bromide, 10 per cent 
solution, 3.5ccm, water to 1000ccm (No. 1, 40z., No. 3, 
1 oz., bromide solution, 30 min., water to 16 0z.). 
For Non-Curling Film, use: No. 1, 250ccm, water to 
1000 ccm (No. 1, 40z., water to 160z.). Temperature of 
all developers 21° C. (70° F.). 
Roylon Developer.— 
Roylon lig 24 gr. 
Sodium sulphite, dry 23 ¢g 34, OZ. 
Hydrochinon 45¢ 72 gr. 
Sodium carbonate, dry 23 g 34 OZ. 
Potassium bromide, 10% sol. 10.5 ccm 90 min. 
Water to 1000 ccm 32 oz. 
Suitable for all grades of Artura, except Carbon Black, for 
which there should be added 16 ccm of 10 per cent solution of 
potassium bromide to 1000ccm (¥% oz. to 160z.). 
Kodelon Developey—F¥or amateur use for Velox, Azo 
(and other developing papers) and bromide papers. Dis- 
solve in the order named: 
Water 1000 ccm 64 oz. 
Kodelon 0.8¢g 25 gr. 
