_Tone J_—Red (Dye Tone)
By first toning in Tone A, washing, and then immersing the copper
toned film in an acid solution of a basic dye, the dye is mordanted
to the toned image, thus modifying the color.
_Nature of Positive_—Medium
Tone for five to ten minutes in solution as for Tone A, and after
washing for ten minutes immerse in the following dye-bath.