DEVELOPERS 
Temperature Tray 
10g) 12 min. 
oo) (E. 6 min. 
SORE. 3 min. 
B, C, but 12 parts water. 
Tank 
jhe: 
36 min. 
18 min. 
9 min. 
For Standard Plates—The stock solutions are as above. 
To develop Standard Extra, Imperial Portrait, Thermic, or 
Polychrome plates, use 1 part A, 1 part B, 1 part C, 7 parts 
water. For Orthonon plates use the same proportions of A, 
For tank developer for Standard Plates, use the same form- 
ula as for Seed plates, except for the Standard Polychrome, 
for which the formula is: 
A solution 
B solution 
C solution 
Water 
Temperature 65° F. Develop 15 minutes. 
54.6 ccm 
54.6 ccm 
54.6 ccm 
1000 ccm 
3 Oz. 
3 oz. 
S'Oz. 
55 oz: 
For Eastman Portrait, Commercial, Commercial Ortho & 
Commercial Panchromatic Films.—The formulas for the tray 
developer are the same as for the Wratten Panchromatic 
plates. For the tank developer the same formulas are used, 
in the following proportions: 
A solution 
B solution 
C solution 
Water to 
Pyro-M etol.— 
A. Pyrogallol 
Metol 
Potassium metabisulphite 
Potassium bromide 
Water 
43 ccm 
43 ccm 
43 ccm 
1000 ccm 
Sle 
1000 ccm 
5Y4 oz. 
54 oz. 
5Y4 oz. 
128 oz. 
64 gr. 
54 gr. 
144 gr. 
24 gr. 
16 oz. 
