Color problems; a practical manual for the lay student of color (1903)
Vanderpoel, Emily Noyes, 1842-1939 · New York [etc.] Longmans, Green · leaf 44
22 COLOR PROBLEMS an. present in suitable proportions a balance is effected^ and both sensations^ red and green^ vanish." ^ One of the latest accounts of these theories (of Young-Helmholtz and Hering)^ written in English, is to be found in Dr. Foster's Text-hook of Physi- ology, It contains a full… … R O Y G B V DIAGRAM ILLUSTRATING HERING'S THEORY OF COLOR SENSATION. ing diagram illustrating Hering's theory of color vision. Edridge Green also discusses both theories fully in connection with color-blindness. On one point all these theories agree, which is that perfect or normal color vision is…
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