Keywords: Chevreul's RYB chromatic diagram.png en Chevreul's 1855 chromatic diagram based on Red “Yellow “Blue color model for paint mixture as reprinted by Benjamin Silliman 1859 First principles of physics or Natural philosophy designed for the use of schools and colleges http //books google com/books id Mj5JAAAAIAAJ pg RA2-PA491 dq diameter+red+yellow+blue+orange+green+violet lr as_drrb_is b as_minm_is 0 as_miny_is as_maxm_is 0 as_maxy_is 1860 num 20 as_brr 0 ei Gd8SS9GeH4KmkASC8rXeCw v onepage q diameter 20red 20yellow 20blue 20orange 20green 20violet f false p 490 of Benjamin Silliman 1859 First principles of physics or Natural philosophy designed for the use of schools and colleges Benjamin Stillman after Chevreul 1859 book reprinting 1855 diagram PD-old 19th-century diagrams Psychophysics Michel Eugène Chevreul Colorwheels Chromatic diagrams English text |