Colour vision, a discussion of the leading phenomena and their physical laws (1922)
Peddie, William · London, Arnold · leaf 159
e) to the s])ectrum curve, especially that 144 COLOUR VISTOX of Helmholtz, is very obvious. The formula (B) compelsequilateral symmetry in the spectrum curve ; but it must berecognized that it is liable to deformation by physiologicalpeculiarities, such as absorption. If the formula is correct,we… … The Spectrum Curve in the Colour Diagram. Much more extensive observations are required before thesequestions can be fully solved. The lower (dotted) part of the diagram in Fig. 24 shows thenature of the spectrum curve if the small constant term in thelast equation of § 82 were omitted. The two…
Color
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