The science and practice of photography : an elementary textbook on the scientific theory and a laboratory manual (1920)
Roebuck, John R. (John Ransom), 1876-1965 · New York ; London : D. Appleton and company · leaf 103
COLOR SENSITIVENESS 8i all the different colors. This requires that the sen- sitiveness in all the colors should be as nearly alike as possible, that is the color sensitiveness curve Orthochrom X—, i I I L … Fig. 15.
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
