A world progress report of photographic science and technology. Subjects are selected from reports and news in foreign periodicals issued in this period. Items are as follows: A) general view, silver halide photographic materials, color photography, electrophotography, non-silver sensitive materials, B) theory of the latent image, theory of development, image quality and color reproduction, C) photographic processing, D) motion picture, graphic arts, radiography, E) photographic systems including camera, lenses, light sources and image recording.
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