SUBJECT INDEX 



869 



Printing, carbro, 474-478 



contact, 426-427 



equipment for, 427-428 



contrast control in, 440 



Fresson process, 479, 493-497 



gum, 486-493 



gum platinum, 484-485 



materials for, 414-415 

 characteristics of, 20 1#. 



multiple-carbon, 471-473 



oil and bromoil, 497-505 



papers for exposure range, 415 

 tone range, 415 



platinum, 478-486 



practical considerations in, 417-426 



projection, 428-438 



safe lights for, 442 

 Printing-in clouds, 439 

 Printing processes, 412-452 



control of, 438-440 



special, 466-506 



types of, 412-414 

 Prints, curling of, 409-410, 543 



defects in, 538-545 



embossing, 446 



exposure latitude in processing, 440-441 



fog in, 539 



frilling in, 543 



glossy, 416-417 



for half-tone engravings, 437-438 



high-key, 425 



image tone, 145 



incorrect contrast in, 539 



incorrect density in, 540 



low-key, 425 



matte, 416-417 



mounting, 445-446 



paper for, 140 



processing of, 440 



tonal quality of, 339 



tone control of, 441-442 



toning, 453-465 



waxing matte, 416 

 Purkinje shift, 264-265 

 Pyramidol, 324 

 Pyro, 320, 328 

 Pyrogallol (see Pyro) 



Quantum, 264 



R 



Radiation, effects of, 292-295 

 Radiographic darkroom, 832-833 

 Radiography, 822-834 



industrial, 825-831 



medical, 824-825 



radium, 834 

 Range finders, 83-89 

 Reciprocity law, 128-129, 161-162 

 Recording cameras and projectors, 78 

 (See also Cameras) 



Rectification, of aerial photographs, 723 

 Rectilinear lenses, 32 

 Reducer, Farmer's, 556 



Haddon's, 557 



proportional, 558-559 



subtractive, 556-558 



superproportional, 559 

 Reducing and enlarging tables, 433 

 Reduction, 554-560 



local, 559-560 

 Reflected light (see Light) 

 Reflecting-type finders, 81-82 

 Reflection, diiTuse, 262-263 



factors in, 290 



specular, 262-263 

 Reflectors, 289-291 

 Refraction, 10 



law of, 12-13 



(See also Lenses) 

 Resolving power, of emulsions, 23-24, 131 



of lens, 25 



of microscopes, 773 

 Reticulation, 363, 531-532 

 Reversal, enlarged negatives by, 448 

 Reversal emulsions, 146-147 

 Reversal materials, 147-148 

 Reversal process, Kodachrome, 151 

 Rodinal, 334 

 Roll-film cameras, focal length of lenses for, 



73 

 Ross corrector, 739-740 

 Rotambulator (dolly), 684 



Safe Ughts, 141, 312, 316 



for printing, 442 

 Scheiner speed ratings, 192-193 

 Schmidt camera, 740 

 Sensitometer, Eder-Hecht, 192-193 



practical, 165 

 Sensitometry, application of, 154 



development for, 166-167 



light sources for, 154-161 



practical applications of, 196#. 

 Sepia toning, 456-461 

 Short-stop baths, 378-380, 444 

 Shutters, 5, 97-115 



automatic, 100 



care of, 114-115 



Compur, 103, 104 



Deckel, dimensions of, 105 



focal-plane, 109-110 

 of Contax, 112 

 efficiency of, 112-115 

 of Leica, 111 



Graflex, 110, 111 



Ilex specifications, 106-107 



interlens, 97-100 



Kodamatie, 104 



Kodo, 98 



of modern box-camera, 98 



multiblade, 100-106 



retarding devices, 102-104, 107-109 



