Mees, C. E. Kenneth (Charles Edward Kenneth), 1882-1960, Eastman Kodak Company · Rochester, N.Y. : Eastman Kodak Company · leaf 62
56 show the effects of additional tones. In Fig. 57 the six tones complete the repre- sentation of an object, from which it will be seen that form and substance are shown by degrees of bright- ness. In the mind the forms of natural objects are comprehended by the degrees of brightness that occur in… … Fig. 56. Five Tones. Six fones. 58
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
