84 PHOTOGRAPHIC FACTS AND FORMULAS 
Edinol-H ydrochinon.— 
Edinol 
Hydrochinon 
Sodium sulphite, dry 
Potassium carbonate 
Sodium carbonate, cryst. 
Caustic soda 
Potassium bromide 
Water 
1000 ccm 
Pyro for lantern slides (Mortumer ).— 
Pyrogallol 
Sodium sulphite, dry 
Sulphuric acid 
Acetone 
Water 
Ze 
3.25 g 
0.5 ccm 
b:2 ccm 
1000 ccm 
Time, 5 to 10 minutes at 18° C. (65° F.). 
Amuidol (Harris).— 
Sodium sulphite, dry 
Potassium metabisulphite 
Potassium bromide 
Amidol 
Water 
Amidol 
Sodium sulphite, dry 
Caustic soda lye, 27% 
Potassium bromide 
Water 
Time, 2 to 3 hours. 
Glycin.— 
Glycin 
Sodium sulphite, dry 
Potassium carbonate 
13g 
5.2¢ 
0.52 g 
2.6¢ 
1000 ccm 
O0.5¢ 
76 gr. 
76 gr. 
1842 gr. 
307 gr. 
307 gr. 
61 gr. 
15 gr. 
32 OZ: 
44 er. 
66 gr. 
10 min. 
24 min. 
42 oz. 
250 er. 
100 gr. 
10 gr. 
50 gr. 
40 oz. 
15 gr. 
90 gr. 
145 min. 
75 ee. 
32 oz. 
30.7 gr. 
76.8 gr. 
153.8 gr. 
