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 191

An illustration from 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, leaf 191 — wo,however, in whatever proportions we may, themixture will never attain the same luminosity,consequently we must darken the yellow with 183 COLOUR MEASUREMENT AND MIXTURE. black. Even then we shall find that, add whatblack we may, the rotating red and green sectorswill always be a little less… … Fig. 43.—Arrangement to find value of Gamboge in terms ofEmerald Green and Vermilion. proportion of blue, and as red, green and bluewhen mixed give white, it follows that when V andE are rotated together, a grey or subdued whitelight must be mixed with the colour produced.Turning back to Chapter…

Color

Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.

More pictures from Colour measurement and mixture. Published under the direction of the Committee of General Literature and Education appointed by the Society for Promoting Christian Knowledge

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)

More like this