ther parts ofthe colour circle following the rules laid down, but we alsomeet a strange phenomenon, which makes the correctness ofthe geometrical representation questionable. If we mix, forinstance, equal proportions of dyes, which are represented ina and c, fig. 20, and which are 1200 apart, we… … yellow This theoretical conclusion is, however, not confirmedin practice, because it is quite possible to mix a very puregreen with a yellow and blue-green. This contradictioncan, however, be explained by the fact that an addition ofblack is not felt in the same degree as the mixing propor-tions. A…
Color photography · Color printing
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