Mees, C. E. Kenneth (Charles Edward Kenneth), 1882-1960, Eastman Kodak Company · Rochester, N.Y. : Eastman Kodak Company · leaf 58
FUNDAMENTALS OF PHOTOGRAPHY … Exposed 1 Unit of Time Exposed 16 Units of Tin Exposed 4 Units of Time. Exposed 64 Units of Time. Fig. 50. many of the clumps of grains seen in Fig. 49B are not made up of grains in the same layer but of grains in different layers, some on the top and some below . The distribution of the grains in…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.