Ceropegia's photos with the keyword: Eagle Roll Mill

Birkenhead Mills - In the powder yard of the Hagley Library and Museum. Where the du Pont family founded its gunpowder works in 1802. Used in the making of black powder to mix sulfur, saltpeter, and charcoal. On the Brandywine River, Wilmington, Delaware. Scanned 35mm negative. (3Y033)