Trezise, Frederick James, 1875- · Chicago, The Inland printer company · leaf 67
lue are the primary colors — so called because in pigments they are the onlycolors that can not be produced by mixing, but fromthem all other colors can be mixed. That orange, green and violet are the secondarycolors — so called because they are produced by com-binations of the primary colors, two… … The Color-wheel In music it is an established fact that certain notes used in combina-tion produce harmonious sounds. The moment that more than one note isstruck, there is danger of discord, and when ten notes resound to thetouch of the player, they must be the right notes, or the sounds jar…
Printing · Color printing
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