Important: Safety Warning
This page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
This information has been left in for historical purposes but should not be acted upon.
Home › The Art Of Dyeing › Deep Hat Black
Deep Hat Black
Work for 15 minutes in a decoction of 2 pounds fustic and 1 pound bark; lift, and add 6 ounces acetate of copper and 6 ounces copperas in solution; work for 15 minutes more; then sink the silk peachwood and 1 pound fustic; lift, and add below the surface and let it steep over night; lift out and wash; then, to a decoction of 5 pounds logwood, add white soap sufficient to inake a lather, and work the silk in it for an hour; wash out and dry.