Color values in monochrome [microform] : a lecture on orthochromatic photography delivered before the Canadian Institute, February 16th, 1901 (1901)
Plaskett, J. S. (John Stanley), 1865-1941, Canadian Institute (1849-1914) · [Toronto? : s.n.] · leaf 9
METHYL VIOLET AND AURANTIA Fig. 2. luminosity. Thus the hue of blue glass is blue, although, on analysis, it is found to contain not only blue but all the other colors of the spectrum, in a greater or less degree, blue and violet predominating. It is the combination of these pure colors in a…
Color photography · Photographie en couleurs
Internet Archive · Canadiana.org · Public domain (published before 1931). Free to use for anything.
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