ation of white; but owing to the considerable degree of absorption there is a very low luminosity, which appears to the eye as a grey ; its production in this way is e(|uivalent to mixing a black and white together, the shade of grey A BC CARNI NE Fio. 81. produced depending on the relative… … INDIAN RED Fia. 32. layer of the material. In either case, similar spectra are obtained. Figs. 30 to 42 show the spectra of the most common pigments U8e<I by painters. In Fig. 30 we have that of Vermilion, which shows that this pigment refloctn the red and yellow rays and a small proportion of Uie…
Color
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
