An introduction to the study of colour vision (1915)
Parsons, John Herbert, Sir, 1868-1957 · Cambridge University Press · leaf 97
THE FIELD OF VISION FOR COLOURS 77 Fig. 30 shows the fields with complementary colours red . . . . 650 "0 /x/x green . . . . 500*2 „ yellow-green.. 56T4 ,, blue .. .. 460-3 „ … 180 Fig. 30. The fields of vision for complementary spectral colours. The relative luminosities of the red and green were 225 and 270 ; those of the yellow-green and blue 96-6 and 21-5. (Abney.)
Color vision
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
