Biomedical subjects
Publications and source records attributed to D L MacAdam.
Approximately 2000 judgments, made by each of two young normal observers, of magnitudes of color differences between nearest neighbors in 12 oblique cleavage planes of the uniform color scales of the Optical Society of America were used in regressions to redetermine parameters in the formulas used by the Optical Society of America committee to specify those colors. The resulting alterations of the colors are illustrated.
Webster's New Collegiate Dictionary defines "essay" first as "an effort to do something; attempt; trial." Only second it is defined as "a literary composition, analytical or interpretative, dealing with its subject from a more or less limited or personal standpoint." This article is an essay (second meaning) about a few essays (first meaning) that have been made to understand color. Genesis, Aristotle, Plato, Newton, Palmer, Young, Helmholtz, Maxwell and Frederic Ives are represented.
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