Modern chromatics, with applications to art and industry (1879)
Rood, Ogden N. (Ogden Nicholas), 1831-1902 · New York, D. Appleton and Company · leaf 185
APPENDIX TO CHAPTER XI. 179 25 X 100 75 r r = 33-3 … Fig, T4.— Disk with 25 Parts Red and 75 Parts Green-blue. That is, if we call the intensity of our red 100, that of the green- blue will be only 33*3. In the case given in the present chapter we have — 41 1 = 59 r 41 X 100 = 59 r I' = 69-5 PIGMENTS USED IN THE SET OF COMPLEMENTAEY DISKS. Carmine as…
Color · Painting · Color in art
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
