Bradley, Milton. [from old catalog] · Springfield, Mass., M. Bradley co · leaf 17
ining two slitted disks they could be made to show any desired proportion of each, and hence they are called Maxwell disks. Fig. 1 shows the method of joining the two disks and Fig. 2 their appearance when properly joined to be placed on the ro- tating spindle of a color wheel or color mixer, as… … Fig. 4. the scientific truths of color. Let us suppose that the two disks shown in Fig. 2 are green and yellow, but with a trifle less green than in the painted disk above mentioned. The increased amount of yellow and the smaller quantity of green will cause a color to appear liy rota- tion which…
Kindergarten
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
