Incorporated in 1912, Atlas Powder Company functioned as an independent explosives and chemicals company until 1971, when it was purchased by Imperial Chemical Industries Limited (U.K.) and became its American affiliate under the name ICI Americas, Inc. The collection consists of minutes, reports, and correspondence from Atlas in addition to both predecessor and subsidiary companies.

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The company began with the production of gunpowder. Throughout the 1900s and 1910s, the company shifted its focus away from gunpowder production and towards chemistry innovations. This is a snapshot photograph of DuPont Company representatives in a field with blasters. It shows blasting equipment, dynamite, dynamite boxes, and a camera on a tripod.

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.

In 1801, French immigrants Eleuthère Irénée "E.I." du Pont (1771-1834) and his father Pierre Samuel "P.S." du Pont de Nemours (1739-1817) organized the E.I. du Pont de Nemours & Company (alternatively referred to as the DuPont Company) in Paris for the purpose of manufacturing gunpowder in the United States. The next year E.I. du Pont purchased a mill site on the banks of the Brandywine Creek just north of Wilmington, Delaware, and the company would grow to be the preeminent gunpowder company in the United States for the next century. This collection comprises the nineteenth-century records of the E.I. du Pont de Nemours & Co. extending to the date of the second incorporation of E. I. du Pont de Nemours & Co. in 1902. The company's twentieth-century records, with the 1902 reincorporation as the dividing point, are described in a separate finding aid as E.I. du Pont de Nemours & Co. twentieth-century records (Accession 0500.II).

E.I. du Pont de Nemours & Company was established in 1802. The du Pont family purchased a mill site on the banks of the Brandywine River just North of Wilmington, Delaware for the production of black powder. In 1902 the DuPont Company acquired the Smith Electric Fuze Company and some other properties in the Pompton Lakes, New Jersey area. The DuPont Company also operated a dynamite plant near Hancock, Michigan. This collection consists of snapshot photographs from the works at Pompton Lakes, New Jersey, and others from a plant in Michigan, most likely the Senter dynamite works near Hancock, Michigan.

Samuel R. Russell (1880-1943) was the senior dynamite technician for the DuPont Company from 1907 to 1943. This collection consists primarily of photographs taken at various sites around the United States and South America where Samuel Russell rigged and supervised dynamite blasts.

Walter Magee Annettee (1874-1955) was a DuPont Company dynamite salesman, who was based in Birmingham, Alabama. E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The company was established in 1802 by Pierre Samuel du Pont de Nemours and his son Eleuthère Irénée du Pont the company began with the production of gunpowder. These are illustrated envelopes advertising DuPont Company smokeless powder and blasting powder; Giant powder (a product of Atlantic Dynamite Co.); Atlas powder (a product of Repauno Chemical Co.); and Hercules powder (a product of Hercules Powder Co.).