DescriptionThe color printer (1892) - Basic tones.svg English: The color printer : a treatise on the use of colors in typographic printing, p. 23 Date 1892 Source...
DescriptionThe color printer (1892) - Basic tones.png English: The color printer : a treatise on the use of colors in typographic printing, p. 23 Date 1892 Source...
_-_Basic_tones.svg){kind=link}
_-_Basic_tones.png){kind=link}