Colour : a text-book of modern chromatics with applications to art and industry (1904)
Rood, Ogden N. (Ogden Nicholas), 1831-1902 · London : Kegan Paul, Trench, Trübner · leaf 141
presents to the same portion of the retina bluish-green light ; then follows red, then bluish-green, etc. Hence the retina is really acted on by alternate presentations of the two masses of coloured light, the intervals between these substitutions being something less than one fiftieth of a second.… … Fig. 48.— Appearance presented Fig. 47.— Disk painted with Ver- by Bed and Blue-green Di6k milion and Blue-green. when in Kapid Botation. for it enables us by an easy method to pursue our colour- investigations without having direct recourse to the spec- truih. There is one respect in which the…
Color
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
