The useful arts and manufactures of Great Britain (1861)
Tomlinson, Charles, 1808-1897, Society for Promoting Christian Knowledge (Great Britain). Committee of General Literature and Education · London : Society for Promoting Christian Knowledge · leaf 288
red by an acid, and green by an alkali. Colour is not, properly speaking, a material sub- stance, since it does not exist in the object, but in the light which the object reflects. A ray of white light consists of a number of differently-coloured rays, which may be separated by means of a glass… … ^' DECOMPOSITION OF WHITE LIGHT. prism, it will be refracted or bent out of its ordinary course, and produce, not a white spot, but a spectrum^ or long streak of beautiful colours, which may be re-
Textile printing · Textile industry · Textile fabrics
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