Page:Method for constructing the natural scale of pure color (Nutting, 1909).djvu/5

This page does not need to be proofread.

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Method_for_constructing_the_natural_scale_of_pure_color_(Nutting,_1909).djvu/5&oldid=13914418"