Colour Vision: A Discussion of the Leading Phenomena and Their Physical Laws (Classic Reprint) - Softcover

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Excerpt from Colour Vision: A Discussion of the Leading Phenomena and Their Physical Laws

More than a century ago the trichromatic theory of colour vision, foreshadowed earlier by the clear insight of Newton, took definite shape through the perceptive power of Thomas Young, that investigator, worthy of wonder, leaping before his time. Throughout nearly half a century thereafter it remained undeveloped, until, in the strong hands of Helm holtz, it took definite mathematical shape, and was pushed to Wide developments. No more self-contained, complete, and instructive example of the application of the strictly scientific procedure of Mathematical Physics could be chosen for special study. Upon the experimental basis supplied by Newton, Maxwell, and Helmholtz himself, the Newtonian law of colour mixture was qualitatively and quantitatively established. The clear perception, which saw through the meaning of apparent limitations or exceptions, was undeterred by them from acceptance of that law as the basic fact of all colour sensation. Subsidiary hypotheses were either sup ported by results of observation, or were specially character ized as non-essential and illustrative only. Every step taken was the simplest and most obvious step that could be taken and it was either justified, or was replaced by the next simplest if it were found to be too limited.

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