A class-book of color : including color definitions, color scaling, and the harmony of colors (1895)
Maycock, Mark M · Springfield, Mass. : Milton Bradley Co. · leaf 27
and position of the square when folded. The folded squareshould be mounted upon the tinted surface and be copied in outlineby the pupils. To fold the Square. Bring the opposite sides of the paper together, and keep them inplace with a touch of glue at each end. Then mount the rectangleupon the…
Color · Color guides
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
