The color printer. A treatise on the use of colors in typographic printing (1892)
Earhart, John F · Cincinnati, Earhart & Richardson · leaf 278
Gray on Green 397 Black on Green Gold on Green Gray on Blue 398 Black on Blue Gold on Blue Mm V W 399 Red surrounded by Blue, Gray, Black, White, and Green … 400 Black Surrounded by Blue, Gray, Red, White, and Green Three-Color Combinations.
Color · Printing
Internet Archive · Clark Art Institute Library · Public Domain Mark 1.0. Free to use for anything.