Keywords: Color diagram Charles Hayter.jpg en Color diagram Charles Hayter 1826-01-02 From Charles Hayter published A New Practical Treatise on the Three Primitive Colours Assumed as a Perfect System of Rudimentary Information London 1826 in which he described how all colours could be obtained from just three Charles Hayter other versions PD-old-70-1923 Uncategorized 2016 May 2 |