Impressionist painting, its genesis and development (1904)
Dewhurst, Wynford, 1864-1941 · London, G. Newnes · leaf 170
olours of nature back into six bands of the spectrum, and to represent these on the canvas by spots of unmixed pigment. At a sufficient distance these spots combine their hues upon the retina, giving the effisct of a mixture of coloured lights rather than pigments, resulting in an increase instead… … 56
Impressionism (Art) · Artists
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.