light is a very much contained other properties than colder light than that of any other thuse known in the other bands of color; and, since it is with the heat the spectrum and other than lumi- and actinic rays that we are most nous, heat, or chemical rays. It is concerned in medicine—the heat to… … Yellow. Green, Blue Indigo. Violet. plate is very slight. The blue is we have the richest possible light in Red. both cold and comparatively dark, chemical qualities and the poorest in regard to heat. in regard to heat and light, but it PRINTING-OUT PAPER. is exceedingly rich in an actinic Our…
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