Principles of the science of colour : concisely stated to aid and promote their useful application in the decorative arts (1876)
Benson, William, Lowry, Joseph Wilson, 1803-1879 · London : Chapman & Hall · leaf 21
8 COMPLEMENTARY COLOURS. then the strongest Yellow, Orange, and Eed, into Black, by the continued subtraction of the same rays. To aid the performance of these experiments, which are of essential service for acquiring correct ideas of the prismatic colours and their complementaries, the following… … In the former of these experiments, when the prism is held at a certain distance from the object, the brightest or yellow part of the simple spectrum on the left-hand is seen to be equally luminous with the opposite darkest or blue part of the compound spectrum on the right-hand. Held nearer, this…
Color
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