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 228
2 1 o Appendix. Here we see that although the luminosity of the colour spots varies at the spectrum luminosity, the Fig. 41. … fields do not vary proportionally ; when the lumin- osities of the green, yellow and red are made equal, the fields become nearly equal on the nasal side. The field for the blue, however, then becomes vastly larger than that for the others, showing a peculiarity which is very remarkable. Kecently…
Color Perception
Internet Archive · Royal College of Physicians in Edinburgh · Public domain (published before 1931). Free to use for anything.
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