Colour Vision in the Nineteenth Century: The Young-Helmholtz-Maxwell Theory

absorbing absorption Airy appeared Brewster Brewster's theory brightness centre of gravity colour blind colour box colour classification colour equations colour matches colour mixing colour perception colour sensation colour vision complementary colours compound colours curves Dalton different colours disc experimental experiments Figure filters Forbes Fraunhofer lines glass Grassmann grey Helmholtz Hermann von Helmholtz Herschel hypothesis idea index of refraction James Clerk Maxwell John Herschel London luminance Maxwell's colour Mayer Melloni method mixed colours Newton Newton's colour circle observations optical orange paper Phil phrenology pigment plates primary colours prism problem produced purple rays recognised red and green reflected refraction refrangibility remarks represent retina saturation scientific Seebeck slit spectral colours spectrum standard colours theory of colour theory of light three colours three primary colours transitions triangle variables vector vibrations viewed violet Wartmann wave theory wavelengths white light Wollaston yellow and blue Young Young's theory