|"A chart from 1746 by Jacques-Fabien Gautier illustrating his theory that the primary colours |
are black and white, with red, yellow, and blue being secondary. Colours were thought
to be drawn out of the shadows by the presence of light – Source."
|"Philipp Otto Runge’s Farbenkugel (1810). The top two images show the surface |
of the sphere, while the bottom two show horizontal and vertical cross sections –Source."
|"Johann Heinrich Lambert’s three-dimensional adaptation of |
Tobias Mayer’s triangle, featured in his Beschreibung einer mit
dem Calauschen Wachse ausgemalten Farbenpyramide (1772) – Source."
|"Page from Priced catalogue of artists’ materials : supplies for |
oil painting, water color painting, china painting … and
drawing materials for architects and engineers, manual
training schools and colleges (1914) – Source."
More about color systems in my book: Color and Light: A Guide for the Realist Painter