Index 
Acid Bath for Platinotype, 278. 
Acid Fixing Bath, 124. 
Acrol, 91. 
Activol, 109. 
Additive Filters, 344. 
Adurol, 91. ; 
Agfa Colour Plate, 349. 
Albumen Sensitiser, 351. 
Alcohol, 21. 
Alcohol, Denatured, 21. 
Alcohol, Methyl, 21. 
Alkaline Amidol, 93. 
Alkaline Fixing Bath, 123. 
Alkaline Toning Bath, 176. 
Altitude Exposures, 72. 
Alum Bath, 252. 
Alum-Gold-Hypo Toning, 235. 
Alum-Hypo Toning, 234. 
Alum-Sugar-Hypo Toning, 234. 
Aluminium, Blackening, 6. 
Aluminium Flashlights, 342. 
Alums as Hardeners, 129. 
Amidol, 91. 
Amidol, Alkaline, 93. 
Amidol-Pyro, 93. 
American Photography Expo- 
sure Tables, 51. 
American Photography Plate 
Speeds, 55. 
Ammonia Fixing Bath, 125. 
Ammonium  Persulphate 
ducer, 146. 
ie Sulphide Toning, 
36. 
Rimes of Flashlight Powder, 
42. 
Angle of View Tables, 45. 
Aniline Process, 318. 
Aniline Black Process, 320. 
Anthracotype Process, 317. 
Aquarelle Printing, 306. 
Arabin Gum-Bichromate, 256. 
Asphalt Backing, 32. 
Re- 
Atomic Weights, 373. 
Autochrome Plates, 345. 
Autochrome Developers, 345. 
Autochrome Intensification, 348. 
Autochrome Reverser, 347. 
er Ceca Second Developer, 
347. 
Autochrome, Varnishing, 348. 
Azol, 109. 
Backgrounds, 1. 
Backing, Asphalt, 32. 
Backing, Black, 33. 
Backing, Caramel, 31. 
Backing, Chrevetot’s, 33. 
Backing, Collodion, 32. 
Backing, Cornu’s, 32. 
Backing, Oxgall, 34. 
Backing Plates, 31. 
Backing Sheets, 34. 
Backing, Soap, 34. 
Bartolozzi Tones, 182. 
Beach’s Developer, 113. 
Beck Meter, 75. 
Belitzski’s Reducer, 141. 
Bichromate Reducer, 142. 
Binding Lantern Slides, 330. 
Bitumen Process, 353. 
Black Backing, 33. 
Black for Cameras, 6. 
Black Varnish, 154. 
Blackening Aluminium, 6. 
Blackening Brass, 4. 
Blackening Wood, 4. 
Bleach, Bromoil, 303. 
Blocking-out Medium, 157. 
Blue-green & Green Sensitisers, 
Blue Prints, Toning, 260. 
Blue Process, 258. 
Bottles, Ink for, 6. 
Brass, Blackening, 4. 
Brasses, Memorial, 3. 
377 
