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 104
Colour Vision. 86 It is not surprising, therefore, that although the red, or the green, or the blue may be present in an in- i’ig. 23. … tensity above that required to form white, yet the resulting sensation should pass for white. It may be
Color Perception
Internet Archive · Royal College of Physicians in Edinburgh · Public domain (published before 1931). Free to use for anything.
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