Abney, William de Wiveleslie, Sir, 1843-1920, Society for Promoting Christian Knowledge. General Literature Committee · London [etc.] Society for Promoting Christian Knowledge: New York. E. & J. B. Young & Co. · leaf 107
lOO COLOUR MEASUREMENT AND MIXTURE.
Color
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from Researches in colour vision [electronic resource] : and the trichromatic theory (1913)](https://img.insideoutlibrary.com/img/200/ia-b21287739-260-0.webp)
