Mees, C. E. Kenneth (Charles Edward Kenneth), 1882-1960, Eastman Kodak Company · Rochester, N.Y. : Eastman Kodak Company · leaf 78
sty negative. All the grades of Velox give the same range of reflecting powers in the print provided that they are used with nega- tives which will enable this range to develop. Suppose we take a black wedge which contains all the degrees of light intensities, from absolute opacity at one end to… … tones in such a range. 74
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Die Störungen des Farbensinnes [electronic resource] : ihre klinische Bedeutung und ihre Diagnose (1912)](https://img.insideoutlibrary.com/img/200/ia-b21287570-446-0.webp)
