Mees, C. E. Kenneth (Charles Edward Kenneth), 1882-1960, Eastman Kodak Company · Rochester, N.Y. : Eastman Kodak Company · leaf 81
PRINTING Thus the word "scale" applied to a printing paper does not refer at all to the range of tones in the print. It indi- cates the range of contrast in the negative which should be printed on that paper. A paper with a scale of 1 to 20 … Fig. 78. Fig. 77. Increase of Density with Devel- Growth of Contrast with Devel- opment, Velox Paper. opment, Eastman N. C. Film. will require a negative in which the densest part lets through 1/20 of the light transmitted by the clearest part, because if this negative is printed on that paper the…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
