Colour and colour printing as applied to lithography : containing an introduction to the study of colour, an account of the general and special qualities of pigments employed, their manufacture into printing inks, and the principles involved in their application (1885)
Richmond, W. D. n 82236154 · London : Wyman & Sons · leaf 19
es, they may be united by the secondaries to form a scale of colour similar to what is seen in the rain- bow. If the colours be arranged in a circle the scale will be complete, as shown in the diagram (Fig. i). The idea of colour mixtures may be further developed by conceivmg discs of blue, red,… … Fig. 2. approximately attained by means of colour-printing ; only imperfectly, however, because the upper colour will always assert itself most strongly ; and not quite truly, because the pigments at command are not quite pure, as we shall have further occasion to point out, II. Tertiary Colours. —…
Chromolithography
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