inflexions
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Plate I (detail; clear view here)
Robert Ridgway (1850-1929 *), Color Standards and Color Nomenclature, with fifty-three colored plates and eleven hundred and fifteen named colors. Published by the author. Washington, D.C., 1912
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“The first series of Plates (I-XII) shows the pure, full spectrum colors and intermediate hues (middle horizontal line)... each with its vertical scale of tints (upward, a-g) and shades (downward, h-n, the increments of white for the tints being 45, 70.5 and 87.5 per cent.” (p 5 )
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Inflexions is the title of a composition by Mario Davidovsky.
tags: color; inflexions; obscurity; ornithology; Robert Ridgway