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Ingredients used for dying of wool used at WPA (Works Progress Administration/Work Projects Administration) weaving project. Costilla, New Mexico. They are indigo, nitric acid, powdered alum, bark, burdock root, cochineal and walnut husks
Summary
Picryl description: Public domain image of a great depression era, migrant workers, free to use, no copyright restrictions.
Tags
Date
01/09/1939 - 30/09/1939
Source
New York Public Library
Copyright info
Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")
