E. I. du Pont Drawings of Powder Mills and Machinery, No. 125, Roll Mill
Overhead and cross section of roll mill roller. Collector . Du Pont, Pierre S. (Pierre Samuel), . Creator . Du Pont, Eleuthère Irénée, . Subject(s) Gunpowder Mills and millworkEquipment and supplies. Subject(s) Name . du Pont de Nemours Company. Hagley Yard. Find all items with name(s)