Des couleurs et de leurs applications aux arts industriels à l'aide des cercles chromatiques

Atlas of plates for color matching, according to Chevreul's system of color analysis, intended for the use of painters, textile designers, decorators, gardeners, etc., rather than scientists. Includes description of "chromochalcographie", Digeon's 4-color aquatint printing process (using separate plates for yellow, blue, red, black), with notes on the composition of the pigments.