Students' text-book of color, or, Modern chromatics : with applications to art and industry (1881)
Rood, Ogden N. (Ogden Nicholas), 1831-1902 · New York : D. Appleton · leaf 76
: the prism informs us that the transmitted beam ON THE PRODUCTION OF COLOUR BY ABSORPTION. 67 consists mainly of red light ; a little orange light is alsopresent. The experiment can, however, be made in a moreinstructive way, by covering only half of the slit withthe plate of glass. On repeating… … Fi&. 16.—Spectrum of White and Red Light compared. at a glance that the solution of the whole matter is sim-ply this : the ruby glass is able to transmit the red rays,but it stops all the others ; these last it absorbs—hencewe say it produces its colour by absorption. The other raysare in fact…
Color · Painting · Color in art
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