Colour vision, a discussion of the leading phenomena and their physical laws (1922)
Peddie, William · London, Arnold · leaf 75
ar vision would in this casebe that of the most usual type of colour blindness. 42. Trichromasy and Quasi-Multichromasy.—The re-striction that the corners of the derived triangle shall liewithin the absolute triangle, or at least not external to it, isquite arbitrary. Considerable tracts of the… … Derived Colour Triangle. TYPES OF TRICHROMATIC VISION 61 absolute triangle if the visual mechanism is such that nonegative absolute stimulation can occur and the cerebralmechanism is normal. The question of the nature of thestructural or functional conditions, which may lead to anexternal position…
Color
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