Slate-colored Dye Recipe

To make a good dark slate color, boil sugar-loaf paper with vinegar, in

an iron utensil--put in alum to set the color. Tea grounds, set with

copperas, makes a good slate color. To produce a light slate color, boil

white maple bark in clear water, with a little alum--the bark should be

boiled in a brass utensil. The dye for slate color should be strained

before the goods are put into it. They should be boiled in it, and then

hung where they will drain and dry.

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