Colour vision, a discussion of the leading phenomena and their physical laws (1922)
Peddie, William · London, Arnold · leaf 77
FlG, -Derived Colovir Triangles. Qass IV. TYPES OF TRICHROMATIC VISION 63 lateral, a pentagon, or a hexagon. The latter can occm m oneway only apart from inversion of order in spectrum colours.But its varieties range from the distinctly hexagonal to theapproximately pentagonal, quadrilateral, or…
Color
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
