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.

Hagley Museum staff conducted a series oral history interviews between 1954 and 1990, speaking primarily with individuals who had worked at the DuPont Company powder yards on Brandywine Creek during the yards’ final decades of operation or who had lived near the yards as spouses or children of DuPont Co. workers. Some of the individuals who were interviewed donated, lent for copying, or provided information on the photographs in this collection. The images primarily depict the worker communities which surrounded the E.I. du Pont de Nemours & Company powder yards on Brandywine Creek or the powder yards themselves.

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. Paul du Pont (1887-1950) established Du Pont Motors, Inc., a manufacturing company of luxury automobiles, in 1919 in Wilmington, Delaware. He worked for a short time at the family business, E.I. du Pont de Nemours & Company which manufactured gunpowder. He was one of ten children of Francis Gurney du Pont (1850-1904) and Eliza Wigfa Simons du Pont (1849-1919). This small collection contains photographs of DuPont powder yards; family photographs; home exteriors; and postcard views of Longwood Gardens.

E.I. du Pont de Nemours & Company was organized in Paris in 1801 by Pierre Samuel "P.S." du Pont de Nemours (1739-1817) and his son Eleuthère Irénée "E.I." du Pont (1771-1834) for the manufacture of gunpowder. Included here are records of the firm collected by P.S. du Pont and separated from the main body of company records.

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.

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. The postcard consists of a view of the DuPont Powder Yards in Wilmington, Delaware.

Éleuthère Irénée du Pont de Nemours (1771–1834) was a French American chemist and industrialist who founded the gunpowder manufacturer E.I. du Pont de Nemours & Company. E.I. du Pont married Sophie Dalmas du Pont (1775-1828) in 1791; the couple had eight children, one of whom died in infancy. This collection of papers includes outbound and inbound correspondence covering personal and business matters. These include personal accounts, writings and memoirs, legal documents, and miscellany, of which the majority are accounts. There are papers of the E.I. du Pont de Nemours & Co. that date from 1802 to 1850 and include correspondence (drafts, retained copies, and letters received), contracts and other legal documents, accounts, bills and receipts, checks, promissory notes, bills of exchange, drafts, and certain miscellaneous notes and memoranda.

Éleuthère Irénée du Pont de Nemours (1771–1834) was a French American chemist and industrialist who founded the gunpowder manufacturer, E.I. du Pont de Nemours and Company. E.I. du Pont married Sophie Dalmas du Pont (1775-1828) in 1791, and the couple had eight children, one of whom died in infancy. This collection primarily consists of E.I. du Pont's personal and business correspondence; writings and notes; school materials; memoranda on manufactures and tariffs; legal agreements; patents; and land surveys. Also included are Sophie Dalmas du Pont's correspondence and household account records.

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. Walter G. Tatnall Jr. (1882-1949) was an engineer at the DuPont Pulp Keg Mill and president of the Department of Elections for New Castle County. The memorandum books from du Pont and Tatnall document their work for the DuPont Company, including data on the manufacture of pulp kegs.

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 collection contains two letter books of du Pont to F.G. Thomas (-1901) of the Iowa Powder Mills, photocopies of selected documents by Benjamin Franklin (1706-1790) on gunpowder, and on awards to John Paul Jones (1747-1792) for his victory over HMS Serapis, and letter from Samuel Courtauld (1752-1821) to Captain Joseph H. Rees (1789-1821).

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.

This small collection of John W. Macklem (1867-1948) contains photographs of structures in the Hagley Yards after they closed in 1921, DuPont Company office staff in Equitable Building, Wilmington, Delaware, and gunpowder labels for A.F. & Co. FF gunpowder and DuPont superfine HFg gun powder.

Alfred Victor du Pont (1798-1856), son of Sophie Madeleine Dalmas (1775-1828) and Eleuthère Irénée du Pont (1771-1834), the founder of the E.I. du Pont de Nemours & Company. He joined the company in 1818, after an explosion that killed thirty-three people. The maps in this collection depict the Hagley yard based on an 1834 survey done by du Pont.

The Hazard Powder Company was one of the largest gunpowder and explosives manufacturers in the United States in the late-nineteenth century. This small collection consists of fourteen photographs of views of Hazard Powder Company buildings. None of the images are dated, however, they appear to date from circa 1890s to the 1900s.

James R. Thomen (1926-) was manager of the Experimental Station from 1975 to 1985 when he retired. The DuPont Company's Experimental initially, was to be a small laboratory to screen inventions which were coming into the company from outside independent inventors specifically for research on black powder, smokeless powder, and dynamite, but soon its mission was altered and it became a large industrial research facility focused on innovative advancements in chemistry. This collection consists primarily of photographs of buildings at the Experimental Station in Wilmington, Delaware taken between 1910 and 1950.

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.

The Laflin & Rand Powder Company was one of the largest gunpowder manufacturers during the nineteenth century. Frederick W. Beers (1839-1933) was a New York map publisher. This item is a lithograph depicting the powder mills and surrounding landscape, and it is pages 16 and 17 of "County Atlas of Ulster, New York: From Recent and Actual Surveys and Records," by author F.W. Beers.

Dr. Margaret (Meg) M. Mulrooney is Associate Professor of History and Associate Vice-Provost of University Studies at James Madison University in Harrisonburg, Virginia. The collection consists of research data supporting Mulrooney's doctoral dissertation "Labor at Home: The Domestic World of Workers at the du Pont Powder Mills, 1802-1902."

Pierre A. Gentieu (1842-1930) was a long-time employee of E.I. du Pont de Nemours & Company. Gentieu was born in France in 1842. He emigrated to the United States around 1859. He began working for DuPont in 1877. This collection is comprised of images taken by DuPont Company employee Pierre Gentieu from approximately 1880 to 1920. Gentieu's images document the DuPont Company Powder Yards along the banks of the Brandywine River in Wilmington Delaware. The collection documents the surrounding community along the Brandywine including worker's families, du Pont family homes, churches in the area, DuPont Company exposition displays, and other facets of social and work life in the area.

Pierre A. Gentieu was a long-term employee of E.I. du Pont de Nemours & Company who created an invaluable photographic record of the company's Brandywine Mills at the turn of the century. 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. This small collection includes original drymounted photographic prints of views near Henry Clay Village in Delaware by Pierre Gentieu. Several have simple hand drawn decorative borders on them and are signed. There are also several items related to DuPont Gunpowder and rifles.

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.

The pulp keg mill was built around 1904 to manufacture an experimental design of black and smokeless powder container made essentially from paper. This album contains photographic prints of the construction of the pulp keg mill in the Hagley Yard of E.I. du Pont de Nemours & Co. near Wilmington, Delaware around 1902 through 1905.

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.

Wilmington is the largest city in Delaware located on the Christiana and Brandywine Rivers. The collection consists of eight postcards featuring scenes in and around Wilmington, Delaware. The postcards were published by Julian B. Robinson, a Wilmington printer.