Color-blindness in its relation to accidents by rail and sea (1878)
Holmgren, Frithiof, 1831-1897, author · Washington : Government Printing Office · leaf 26
re luminous than red. This is shown by the dotted vertical lines between K. and O. and also between Y. and G. (fig. 3), and is confirmed in every respect by experience. 3. Violet-blindness (or blue according to Maxwell) is due, according to the theory, to the absence or paralysis of the elements… … The red is a purer red color (not yellowish) than normal red, but still less “saturated”; the more it inclines toward orange the more strongly luminous it is, but is at the same time less “saturated,” more whitish. The yelloio is, as it were, a combination of almost equal proportions of the…
Color Vision Defects · Accidents, Occupational -- prevention & control · Railroads · Ships
Internet Archive · U.S. National Library of Medicine · Public domain (published before 1931). Free to use for anything.
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