Finding Aids

The E.I. du Pont de Nemours is a chemical company commonly known as the DuPont Company was established in 1802, and began by manufacturing gunpowder and later chemical compounds. The foundations for the Engineering Department were laid in 1902. The department’s purpose was to design and construct high explosives plants, design powder machinery and create extensions to existing plants. The DuPont Engineering Department collection consists of photographic material documenting Twentieth century construction projects throughout the many different E.I. du Pont de Nemours and Company work sites, including some outside construction projects within the explosives and chemical industry. There are 209 work sites which are arranged in alphabetical order.

Edward M. Harrington (1866-1933) was a chemist and expert on blasting cap design. He held several positions at the Aetna Powder Company, eventually becoming superintendent of the dynamite works at Aetna, Indiana. Harrington then went on to work for the DuPont Company at various plants in the Operating Department until his retirement in 1921. Images in this collection are of dynamite and other explosive plants, including Aetna Powder Company plants in Newport, Rhode Island (electric blasting caps) and Aetna, Indiana, and DuPont Company plants in Repauno, New Jersey; Hopwell, Virginia, and many other locations. Photographs show buildings, office and plant interiors, many with workers, employee groups, housing, and recreation.

E.I. du Pont de Nemours & Company Repauno Works manufactured high explosive dynamite. The company began as the Repauno Chemical Company on June 7, 1880 founded by Lammot du Pont (1831-1884). Lammot du Pont was a chemist working for the family business, E.I. du Pont de Nemours & Company, a chemical company which originally produced gunpowder. This collection consists of material for the 100th anniversary of the E.I. du Pont de Nemours & Company Repauno Works.