Andrews, E. C. (Emory Cobb), 1878-1932 · Chicago. Inland Printer · leaf 41
COLOR AND ITS APPLICATION TO PRINTING. … Fig. 13. A and B are part of the same straight line. in your hand with the arm extended horizontally at the side, you can detect movement, although you can not describe the color of the object. The eyes of some of the animals are very sensitive to movement at the extreme edge of the retina, Fig.…
Color printing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
