INDEX 
Depth of Focus Scale, 41. 
Desensitising Plates, 28. 
Devarnishing Negatives, 154. 
A ta Sepia Platinotype, 
85. 
Developer, Acrol, 91. 
Developer, Activol, 109. 
Developer, Alkaline Amidol, 93. 
Developer, Amidol, 91. 
Developer, Amidol-Pyro, 93. 
Developer, Azol, 109. 
Developer, Beach’s, 113. 
Developer, Certinal, 109. 
Developer, Citol, 109. 
Developer, Contrast, 101. 
Developer, Diogen, 94. 
Developer, Eastman Film, 100, 
103, 119. 
Developer, Edinol, 94. 
Developer, Eikonogen, 95. 
Developer, Elon, 95, 101. 
-Developer, Ferrous Oxalate, 95. 
Developer, Glycin, 98. 
Developer, Hydrochinon, 99. 
Developer, Kachin, 109. 
Developer, Kalogen, 109. 
Developer, Kodelon, 101. 
Developer, Lantern Plate, 331. 
mee Metol-Hydrochinon, 
Developer, M. P., 100. 
Developer, Motol, 101. 
Developer, Neol, 107. 
Developer, Ortol, 107. 
Developer, Paramidophenol, 108. 
Developer, Paramol, 109. 
Developer, Paranol, 109. 
ane ia Paraphenylendiamin, 
9. 
Developer, Pyrocatechin, 109. 
Developer, Pyro, “B. J.,” 112. 
Developer, Pyrogallol, 111. 
Developer, Pyro-Caustic, 112. 
Developer, Pyro-Acetone, 113. 
Developer, Pyro-Metol, 119. 
Developer, Rodinal, 108. 
Developer, Standard H. & D., 
112. 
Developer, Tank, 113. 
of 
Developer, Tozol, 122. 
Developers, 91. 
Developers, Tank, 91. 
mien at Autochromes, 345, 
347. 
Developing & Fixing Combined, 
85 
Developing Line Prints, 264. 
Developing P. O. P., 183. 
Developing-out Papers, 204. 
Development, 76. 
Development Factors, 76. 
Development, Factorial, 76. 
Development Papers, 204. 
Development Papers, Artura, 
206. 
Development Papers, Athena 
Old Master, 206. 
Development Papers, Azo, 211. 
Development Papers, Cyko, 209. 
Development Papers, Develop- 
ers, 204. 
Development Papers, Develop- 
ers, Non-Abrasion, 205. 
Development Papers, Defender, 
2125 213: 
Development Papers, Enlarging 
Cyko, 210. 
Development Papers, Etching 
Brown, 206 
Development Papers, Gevaert, 
213: 
Development Papers, Gevaert 
Nova-Gas, 214. 
Development Papers, Haloid, 
208. 
Development Papers, Kodelon 
Developer, 207. 
Development Papers, Mimosa 
Verotype, 210 
Development Papers, Noko, 210. 
Development Papers, Pyro De- 
veloper, 205. 
Development Papers, Roylon 
Developer, 207. 
Development Papers, Short 
Stop Bath, 215. 
Development Papers, Tozol 
Bath, 207. 
