DEVELOPMENT 83 
Rodinal (Munkman).—Dilution 1:100. Sodium sulphite, 
dry, in 244 per cent solution may be used instead of water to 
dilute the developer : 
Temperature Development in minutes 
Cent. Fahr. Portrait Architecture Landscape 
22; Apa 14 194 27% 
21 TO ic 15 20% 28 2/3 
20 68 Ate 21y4 30 
19 66 17 22% alit/3 
18 64 18 23% 5212/3 
17 62 19 244 34 
15:5 60 20 25% S5nh/3 
14.5 58 21 26% 36 2/3 
13:5 56 22 274 38 
2S 54 Zo 28% 39 1/3 
Metol-glycin (Jeffcott).— 
Metol 0.88 g 40 er. 
Glycin 0.44 g 20 gr. 
Sodium sulphite, dry 16¢g 75 gr. 
Potassium carbonate 6.52 300 gr. 
Hot water 1000 ccm 96 oz. 
Adurol (Mortimer ).— 
Sodium sulphite, dry 200 g 4 oz. 
Potassium carbonate 300 g 6 oz. 
Water 1000 ccm 20 oz. 
When dissolved add: 
Adurol 50 g 1 oz. 
Dilute 1:20; time, 10 minutes at 18° C. (65° F.). 
Edinol.— 
Edinol 45¢ 45 gr. 
Sodium sulphite, dry 2a 4 oz. 
Potassium carbonate 44¢ 1 oz. 
‘Water 1000 ccm 20 oz. 
