INDEX.

A. Alpine Photography, 9 " Outfit for, 9 " Lens for, 10 " Carrying camera in, 12 " Plates for, 14 " Carrying Baggage for, 15 " Outfit for Developing, 16 " Exposures, 17 " Development, 18 " " Formulæ, 20 " Light (tables), 21, 22 Accelerator, 24 Alum Bath, Formula, 41 Aberration, Spherical, 60 " Chromatic, 61 Astigmatism, 62 Aplanat Lens, 64 Astigmat Lens, 64 Aperture of Lens, 68 Angle of Image, 70 Accessories in Portraiture, 79 Architectural Photography, 117 " Camera for, 118 " Lenses for, 119 " Plates for, 122 Actinometer for Platinotype, 208 " for Carbon Process, 271 B. Backing Mixtures, 49 Background in Portraiture, 78 Breadth in Pictorial Work, 93 Blisters on P.O.P, 194 Bromide Printing, 225 " Safe light for, 226 " Negative for, 227 Bromide Paper, sensitive side of, 227 " Printing, 232, 233, 227 " " Lamp for, 228 Bromide Printing, masks and discs, 230 " Vignetting, 231 " Cloud Printing, 231 Bromide Paper, development of., 233 " Iron developer for, 234 " Metol, 235 " Hydrokinone for, 236 " Eikonogen for, 236 " Clearing Bath, 235 " Fixing Bath, 235 Bromide Prints, toning with gold, 237 " Toning with Uranium, 238 " Intensifying, 238 " Reducing, 239 " Cheap Trays for, 240 C. Camera, Carrying in Alps, 12 Caramel for Backing, 49 Curvature of Field of Lens, 62 Cooke Lens, 65 Composition in Pictorial Work, 95 Clearing Bath for Platinotype, 203, 218 Cloud Printing on Bromide Paper, 231 Clearing Bath for Bromides, 235 Clearing Bath for Gum-Print, 251 Carbon Process, outline of, 253 " Safe Edge for, 269, 255 " Negative for, 255 " Transfer Paper for, 266, 256 " Temporary Support, 258 " in Detail, 261 " Squeegee for, 263 " Stock Jelly, 263 " Coating Paper for, 264 " Transfer Papers for, 266 " Flexible Support, 267 " Sensitizing Tissue for, 267 " Drying Tissue, 267 " Negative for, 268 " Reasons for Transfer, 269 " Transfer to Opal, 271 " Actinometer, 271 " Exposure, 272 " Transfer from Opal, 272 " T'sfer. from Flex. Spt., 274 " Glazed Surface Prints, 275 " Transfer to Ivory, 276 " Transfer to Canvas, 276 " Preparation of Canvas, 277 " " Linen, 278 " " Wood, 279 " Single Transfer, 239 " Transparencies by, 280 " Reproduced Negs. by, 281 " Failures and Defects, 282 " Frilling of Print, 283 " Spots, etc, 283 " Pressure Marks, 284 Canvas, Carbon Prints on., 276 D. Development, 23 " Dishes for, 25 " Effect of Temperature on, 28 " Light for Developing Room, 28 " with Pyro-Ammonia, 29 " " Formulæ, 30 " with Pyro-Soda, 33 " " Formulæ, 34 " with Ortol, Formulæ, 35 " with Hydroquinone (Quinol), 36 " " Formulæ, 36 " with Ferrous Oxalate, 36 " " Formulæ, 37 Drying Plates, 41 Dark Room Light, Testing, 44 Defects of Negative, 43 Dallmeyer's Portrait Lens, 64 " Stigmatic Lens, 65 Depth of Definition (Focus), 71 Distortion of Lens, 72 Development of Portrait Negative, 81 " Formulæ, 83 Detail in Pictorial Work, 110, 93 Development in Hand Cam. Exps., 137 " Formulæ, 138 " of Lantern slides, 149, 147 " of Enlargements, 168 " of P.O.P, 188 " Platinotype Paper, 221, 204 " of Bromide Paper, 234-6, 233 " of Gum Print, 250 E Exposure, Over, 27, 32 " Under, 27, 32 " Table with Pinhole, 76 " of Lantern Slides, 146 Enlargements, 155 " Light for, 156, 162 " Daylight, 156 " Apparatus for, 157 " Lens, 164 " Direct, 167 " Development of, 168 Enlarged Negatives, 171 " Transparency for, 172 Exposure in Carbon Printing, 272 F. Fixing, 37 " Formula, 38 Frilling, 41 Flat Image, 44 Fog on Negative, 44 Fog-Green, 45 Focal Length of Lens, 66 " Comparison of, 67 Focussing Interiors, 127 Finders for Hand Cameras, 134 Focussing Scale for Hand Camera, 135 Fixing Bath for Bromide, 235 Frilling of Carbon Print, 283 Failures in Carbon Printing, 282 Flexible Suppt. Carbon Process, 267, 274 FORMULÆ:— Development, Pyro-amm. (Abney), 20 " " (Bothamly), 30 " Pyro-soda, 34 " Ortol, 35 " Hydrokinone, 36 " Ferrous Oxalate, 37 Fixing, Hypo, 38 Clearing, Alum, 41 Reduction, Ferricyanide, 50 Belitzski Reducer, 51 Intensification, Mercury, 52 " Uranium, 54 Development, Metol (Baker), 83 " Pyro-Soda, 83 " Quinol and Rodinal, 83 " Amidol (Thomas), 138 " Hydrokinone, 138 " Eikonogen, 138 " Metol (Pringle), 150 " Ortol, 151 " Hydrokinone, 151 " Amidol (Hodges), 169 Fixing, Hypo, 171 P.O.P. Toning, Gold (Lambert), 180, 181, 182 " Alum Bath, 184 " Combined Bath (gold), 184 " " (lead), 184 " " (gold), 185 P.O.P. Glazing, 186 " Mounting, 187 " Development, Quinol, 188 " Toning, Platinum, 190 " Fixing, 191 " Toning (gold), 191 " Reducing, 192 " Tinting, 194 Platinotype Clearing (Hinton), 203 " Developing, 202, 214 " Toning, 223 Bromide Devlping., Iron, (Henry), 234 " Clearing, 235 " Fixing (Henry), 235 " Developing, Metol, 235 " Quinol & Eikonogen, 236 " Toning (gold), 237 " Reducing, 238, 239 Carbon Process Waxing, (Skelton), 259 " Tissue Jelly, 263 " Waxing, 274 " Collodion, 276 " Substratum, 276, 278, 279, 280 G. Green Fog, 45 " " Cure for, 46 Glazing P.O.P., 185, 186 Gum Bichromate Process, 241 " Paper for, 243 " Outline of Process, 245 " Gum Solution, 246 " Colours, 246 " Brushes for, 247 " Development, 250 " Clearing Bath, 251 H. Hypo.—Test for, 40 Hard Image, 44 Halation, 48 Head-rest in Portraiture, 78 Hand Camera, Photography with, 131 " Lens for, 133 " Finders for, 134 " Shutter for, 134 " Focussing Scale for, 135 " Development of Exposures, 137 Hardening P.O.P., 195 I. Intensification of Negatives, 51 " with Mercury formulæ, 51 " with Uranium formulæ, 53 Image Formation, 58 Image Angle, 70 Isochromatic Plates for Pict. Work, 115 Interior—Focussing, 127 " Exposure for, 127 Intensification of Lantern Slides, 153 " of P.O.P., 191 Intensifying Bromide Prints, 238 Ivory, Carbon Prints on, 276 J. Jena Glass for Lenses, 64 L. Latent Image, 23 Local Development, 20, 32 Lens, 57 " Function of a, 59 " Aberrations of a, 60 Lenses, Comparison of, 73 " Testing, 73 Lens for Pictorial Work, 113 " for Architectural Work, 120 Levels " " " , 121 Lens for Hand Camera, 133 Lantern Slides, 141 " Various Processes, 143 " Camera for Making, 144 " Exposure of, 146 " Development, 147, 149 " Warm Tones on, 148, 152 " Reducer for, 153 " Intensifier for, 153 Linen, Prints on by Carbon Process, 278 M. Mountain Photography see Alpine do. Monocles, 75 Moving Objects & Architectl. Work, 129 Mounting P.O.P., 187 N. Negative Making, 23 " Washing, 39 " Drying, 40 " Defects of the, 43 " too Thin, 43 " too Dense, 43 " Image too Flat, 44 " Image too Dense, 44 " Fog on, 44 " Green Fog on, 45 " Black Spots, Marks, Bands on, 46 " Transpnt. Bands, Spots on, 47 " Stains on, 47 " to Intensify, 51 " to Reduce, 49 " to Varnish, 54 " for Platinotype, 222 " for Bromide Printing, 227 " Reprodn. by Carbon Process, 281 " for Carbon Printing, 268, 255 O. Optics—see Lenses, 57 Opal for Carbon Print, 272, 271 P. Preservative, 25 Pinhole Image, 75, 58 Portrait Lens, 64, 63 Planar Lens of Zeiss, 65 Pinhole Table of Exposures, 75 Portraiture, 77 " Shutter for, 77 " in Ordinary Rooms, 79 Portraits Out-of-Doors, 80 Portraiture, Lenses for, 80 " Development in, 81 " " Formulæ,83 Pictorial Photography, 87 Plates for Architectural Work, 122 P.O.P., Print-out Paper, 177 " Care of the Paper, 178 " Printing, 178 " Washing, 179 " Toning, 180 " Fixing, 183 " Combined Bath for, 184 " Alum Bath for, 184 " Drying, 185 " Glazing, 186, 185 " Matt Surface, 185 " Mounting, 187 " Development of, 188 " Platinum Toning, 189 " Toning with Gold & Platnm., 191 " Intensifying, 191 " Reducing, 192 " Defects of, 193 " Stains on, 195, 193 " Blisters, 194 " Tinting, 194 " Hardening, 195 " Spots on, 195 Printing P.O.P., 178 Platinotype Printing, 197 " Paper to Preserve, 199 " Outline of Process, 201 " Development, 220, 204 " Exposure of, 206, 202 " with Act'meter, 207 " Temperature of Develmt., 212 " Developing Salts, 213 " Papers, various kinds, 214 " Sepia Paper, 215 " Clearing Bath, 203, 218 " Devpmt. by Glyc. method, 221 " Negative for, 222 " Prints Toning, 223 Printing Bromide Paper, 232, 233, 227 Papers for Gum-Bichro. Process, 243 Pressure Marks in Carbon Prints, 284 R. Restrainer or Retarder, 24 Reducer, 24 Reduction of negative, 49 " Formulæ, 50, 51 Reduction, local, 50 Refraction of Light, 60 Rapid Rectilinear, Symmetrical, Lens, 64 Rapidity of Lens, 68 Rembrandt Effects in Portraiture, 79 Retouching Portrait Negative, 83 Reducer for Lantern Slides, 153 Reducing P.O.P., 192 Reducing Bromide Prints, 239 Reticulation of Carbon Prints, 283 Reproduction of Neg. by Car. Pro., 281 S. Satz-Anastigmat Lens, 65 Stigmatic Lens of Dallmeyer, 69 Stops, Value of, 69 Stops, Comparative Value, Table, 70 Spectacle Lens, 75 Selection in Pictorial Work, 95 Shutter for Hand Camera, 134 Stains on P.O.P., 193, 195 Sepia Platinotype, 215 Spots on Carbon Prints, 283 Single Transfer Carbon Process, 239 Safe Edge for Carbon Printing, 255, 269 Sensitizing Carbon Tissue, 267 T. Tripod on Ice, a caution, 14 Test for Hypo, 40 Testing Dark-room Light, 44 Tele-photo Lens, 70 Truth in Pictorial Photograph, 91 Tone Value, 107 Toning P.O.P., 180, 189, 191 Tinting P.O.P., 194 Toning Platinotypes, 223, 224 Toning Bromide Prints (gold), 237 " (uranium) 238 Trays for Bromide Printing, 240 Transparency by Carbon Process, 280 T'sfer. Paper for Carbon P'cess., 256, 266 Temporary Support, Carbon Process, 258 TABLES:— Light, 21, 22 Stops,70 Pinholes, 75 V. View Finder, 13 Varnishing Negatives, 54 Vignetting Bromide Prints, 231 W. Washing Plates after Development, 38 Wood, Carbon Prints on, 279 Z. Zeiss-Planar Lens, 65 " Lens for Architecture, 120

END OF WORK

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