Colour vision : being the Tyndall lectures delivered in 1894 at the Royal Institute (1895)
Abney William de Wiveleslie Sir, 1843-1920, Royal College of Physicians of Edinburgh · London : Sampson Low, Marston · leaf 129
Extinction of Light. 1 1 1 apj)earance ot light long l)etbre the green rays "are ex- tingnishecl. It is only the rays in the extreme violet Fig.23. … of the spectrum, and which consccjucntly possess very feeble luminosity, that make any approach
Color Perception
Internet Archive · Royal College of Physicians in Edinburgh · Public domain (published before 1931). Free to use for anything.
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