Aldrich, Thomas Bailey, 1836-1907 · Boston, CT : Hall and Locke · leaf 363
of colors mingled together,in such proportions as to form white light. I take awedge-shaped piece of glass called a prism, and when Iintroduce it into the course of the beam, you see thetransformation that has taken place (Fig. 4). Insteadof the white light you have now all the colors of therainbow… … moment we take away the prism they all unite again toform white light. You see what the prism has done;it has bent all the light in passing through it; but it ismore effective in bending the blue than the red, and consequently theblue is carriedaway much fur-ther than the red.Such is the wayin…
Children's literature
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
