al lines indicate the various colors of the spectrum—red, yellow, green, blue and violet. The portions of the vertical lines below the curve indicate absorbed light, and those above indicate transmitted light. Thus,for example, the absorptions for Euphos A are: Red 32.4% Green. . . . 3.8% Violet. .… … Crookes a Crookes B 100%
Lenses · Eyeglasses
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
