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THE ADVANCE OF PHOTOGRAPHY
Cajal's researches, 236 Calcium flocculi, 296 Camera appliances, 134
,, attachments for microphotography, 324
,, obscura, 6 Carbon process, 194 Chanoz' experiments, 358 Chemical action of light, 47
„ effects ,, 2 Chinese ink, 274 Chloride of gold, 195 Chromatic aberration, 113 Chromium compounds, 78
,, tabloid intensifies 191 Chromo-lithograpby, 97 Circle of illumination, 120
,, least confusion, 11 1 Cloud effects, 168 Coating of a plate, 25 Collodion, 22, 25 Collotype, 278
Colour of light from stars, 319 Combined toning and fixing, 195 Conjugate focus, 107, 111 Constant density ratio, 184 Controlling agent, 180 Converging lenses, 108 Cooke portrait lens, 125 Copper plate engraving, 9, 82 Corona, the, 291
Cox, Rontgen Ray apparatus, 356 Cros patent, 239 Cyanin, 165 Cyanotype process, 197
Dagron's micro-photography, 219 Daguerre's experiments, 10, 24 Daguerreotype, 14 Dallmeyer-Bergheim portrait lens,
124 Dark slide for wet plates, 26 Davy's experiments, 4, 321 Daylight development, 188 Demole, on latent normal image, 179 Depth of focus, 121 Developing tank, kodak, 188
,, process, 180
,, wet plate, 63
Dicyanin, 165 Diverging lenses, 108 Draper, daguerreotypes, 14, 288 Driffield and Hurter, 184 Dry plates, 32
Dubroni's developing box, 217 Dufay dioptichrome plate, 258 Dyes for red sensitising, 164
Early applications of photography 214
,, form of camera, 134 Eder, latent image, 178 Edison's kinetoscope, 369 Edridge-Green, theory of colour
vision, 71 Effect of blue sky, 53
,, ,, distance, 203
,, ., grey clouds, 54
,, ,, height of eye, 207
,, ,, white clouds, 54 Emulsion, 33
,, for dry plates, 159
Enlarging camera, 154 ,, easel, 155
,, lantern, 155
Eosin, 165
Erythrosine, 165, 239 Etching, 272, 280 Ether, the, 36 Extension lenses, 132 Explosion theory, 175 Exposure meters, 172
Factorial developing, 185
Fading of coloured fabrics, 2
Farbentunung, 319
Faraday, 67
Fast colours, 2
Faults in lenses, 115
Ferric chloride reducer, 192
Ferricyanide reducer, 192
Ferrous oxalate developer, 183
Films, 172
Fischer's theory, 174
Fixed focus cameras, 122, 141
Fixing, 15, 17, 192, 194
Fizeau, 266, 287
Flare spot, 115
Flash light, 48
Fleming's Experiments, 77
Flicker, 370
Florence heliochromic screen plate,
259 Fluorescene, 47 Fluorescence, 47 Focal length, 107, 119 Focal lines, 112
,, plane shutter, 143