Colour measurement and mixture. Published under the direction of the Committee of General Literature and Education appointed by the Society for Promoting Christian Knowledge (1891)
Abney, William de Wiveleslie, Sir, 1843-1920, Society for Promoting Christian Knowledge (Great Britain). General Literature Committee · London: Society for promoting Christian knowledge; New York, E. & J. B. Young & co. · leaf 95
which theblack reflects. The scale is that of the prismatic spectrumemployed. On page 46 we stated that a whitesurface could be made to appear darker than ablack surface, by illuminating the latter and cut-ting off the light from the former. By placingthe black surface in place of one of the… … COLOUR MEASUREMENT AND MIXTURE. 93 In the table the original measures are shown, andalso the corrected measures, and for conveniencesake the intensity of every ray throughout thelength of the spectrum reflected from white, hasbeen taken as 100. The position of the referencelines on the scale (Fig.…
Color
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
