Colour vision; a discussion of the leading phenomena and their physical laws (1922)
Peddie, William, 1861- · London, E. Arnold & co. · leaf 77
COLOUR VISION 62 \ / / \ \ \ / \ FIG. 6. — Derived Colour Triangles. Class III. pentagon. The fourth class contains cases such as those in Fig. 7. In this class the polygon may be a triangle, a quadri- … \ / FIG, 7, — Derived Colour Triangles. Class IV,
Color vision
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