Abney, William de Wiveleslie, Sir, 1843-1920, Society for Promoting Christian Knowledge. General Literature Committee · London [etc.] Society for Promoting Christian Knowledge: New York. E. & J. B. Young & Co. · leaf 113
106 COLOUR MEASUREMENT AND MIXTURE. that which the pigment would reflect if it were viewed in that light. The identity of the colour produced on the screen by this plan with that measured, can be readily seen by placing the latter in the reflected beam of white light alongside the coloured patch… … FIG. 24. — Template of Carmine. In Fig. 24 we have a mask or template of carmine, which was used for determining if the measurements were right. The black fmgerlike- looking space on the right was the amount of red reflected light, and the other that of the blue
Color
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