The multi-tone method of printing is where more than one layer of gum bichromate is printed. Usually multiple layers are used to bring out more detail in the darkest shadows or the brightest highlights, rendering a longer tonal scale.
The multi-tone method of printing is where more than one layer of gum bichromate is printed. Usually multiple layers are used to bring out more detail in the darkest shadows or the brightest highlights, rendering a longer tonal scale.