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.
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Brown With Catechu
Take one pound of catechu extract and one-half ounce of vitriol; dissolve in rain water; the catechu put in water enough to wet your goods. Color in an iron kettle. Then put in your vitriol. Wet your goods in soapsuds before putting in the dye. This is a fast color. -BLUE GRASS BRUNETTE, Ky.