E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. The Photo Products Department was formed in December 1941. The products it manufactured expanded from cinema film and included an array of medical products related to x-ray film and other photographic film products. This is a small collection of DuPont Company Photo Products Department materials primarily related to x-ray and radiographic film processing.

James "Jim" Joseph Dallas, Sr. (1932-2019) was a photographer employed by the DuPont Company, a chemical company. He worked at DuPont for ten years before opening his own industrial and commercial photography business, Dallas Studios based in Wilmington, Delaware. In 1968, Dallas also worked as a freelance commercial and industrial photographer. Companies such as the Speakman Company, Strescon Industries, Cytometrics Incorporated, and ICI America Incorporated are just a few of the industries he worked for. This collection consists of images from Jim Dallas’ assignments primarily for the DuPont Company. The collection of negatives and photographic prints are arranged into five different sereis: I. Sites, II. Products, III. Advertisements and publications, IV. Events and meetings, and V. People.

Paul J. Ganahl (1916-2002) was an electrical engineer who served in the United States Air Force. This item is a manuscript diary kept by Ganahal between January 2, 1953, and December 31, 1953, while working as an electrical engineer performing aerial photography tests for the United States Air Force in California and New Mexico. The daily entries are bullet lists of film rolls develped, problems found, people met with or spoken to, flight test details, and places traveled. The diary provides technical information about the develpment of reconnaissance photography, engineering challenges, and project team communication.