1. Van Gogh had written this in letter 756.
2. This is letter 755.
3. Signac produced illustrations for two books written by a friend of his, the chemist and colour theoretician Charles Henry: Application de nouveaux instruments de précision (cercle chromatique, rapporteur et triple décimètre esthétique) à l’archéologie. Paris 1890, and Education du sens des formes. Paris 1890. See exhib. cat. Paris 2001, pp. 10, 21 (n. 24).
Henry had published the following articles on colour theory in La Revue Indépendante: ‘Rapport esthétique et sensation de forme’ (Avril 1888), ‘Cercle chromatique et sensation de couleur’ (May 1888) and ‘Harmonies de couleurs’ (June 1888). The Revue Indépendante of March 1889 contained a piece of literary criticism by his hand, ‘Le troisième volume de M. Henri Doniol’.
top