Finding Aids

The Austin Powder Company is a Cleveland-based manufacturer of industrial explosives and provider of blasting services around North America. The company began in 1833 at a site south of Cleveland, Ohio along the Cuyahoga River. The album contains photographic prints of the Austin Powder Company's plant near Solon, Ohio, circa 1900.

E.I. du Pont de Nemours & Company was established in 1802 by Pierre Samuel du Pont de Nemours (1739-1817) and his son Éleuthère Irénée du Pont (1771-1834). This collection of more than 1250 discrete photographs depicts the landscape and buildings at or near the company's explosives manufacturing plants along Brandywine Creek near Wilmington, Delaware. Approximately 900 images depict powder yard sites, including the DuPont Experimental Station, either during the mills' final decades of operation or prior to, during, and after excavation and restoration work on the site in the 1950s and 1960s. Most of the remaining images depict the worker communities which surrounded the powder yards.

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 (1739-1817) and his son Eleuthère Irénée du Pont (1771-1834) the company began with the production of gunpowder. This image is an exterior partially obscured view of a glaze mill near the Brandywine River used in the manufacture of DuPont Company black powder and explosives.

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. The papers of du Pont describe both his business activities at E.I. du Pont de Nemours & Company, his family life, and his activities in the Episcopal Church.

Henry A. Weldy and members of the Shindel family purchased the small Huhn Powder mill outside Tamaqua, Pennsylvania on the banks of the Little Schuylkill River. They operated it as the H. A. Weldy Powder Company. Illustrations on the lithograph depict Tunnel Mills and Edgeworth Mills, which comprised the H. A. Weldy Powder Company.

John W. Macklem (1867-1948) began working for E.I. du Pont de Nemours & Company as an errand boy at a young age and remained with the company his entire career. E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. This collection comprises photographs of buildings and scenes in DuPont Company explosives manufacturing plants along the Brandywine Creek near Wilmington, Delaware, including the Eleutherian Mills (or Upper) yard, the Upper Hagley yard, and the Lower Hagley yard.

Pierre A. Gentieu (1842-1930) was a photographer and a long-term employee of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. Gentieu's papers include correspondence with du Pont family members and coworkers, an account book of powder packed at the Hagley Yard (1858-1902), a record book with lists of explosions (1882-1909), time work sheets of powdermen during the 1890s, and a list of the principal events in the powder yards from 1882 to 1911.

E.I. du Pont de Nemours & Company was established as a black powder manufacturer in 1802 by Pierre Samuel du Pont de Nemours (1739-1817) and his son Eleuthère Irénée du Pont (1771-1834). The du Pont’s purchased a mill site on the banks of the Brandywine River just North of Wilmington, Delaware. This collection contains nineteen photographs of DuPont Company explosives plants, including Hagley Yard, Eleutherian Mills yard, possibly Wapwallopen, and the Pennsylvania plant.