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Gunpowder industry

 Subject
Subject Source: Library of Congress Subject Headings

Found in 80 Collections and/or Records:

Alfred Victor du Pont letters to William Kemble

 Collection
Accession: 2230
Abstract:

Alfred Victor du Pont (1798-1856) was the eldest son of E.I. du Pont (1771-1834) and a senior partner of E.I. du Pont de Nemours & Company. The collection contains three letters he wrote to William Kemble (1795-1881), operator of the West Point Foundry and DuPont powder sales agent in New York City, about sales and shipments of gunpowder and credits.

Dates: 1849 June 9-1849 June 16

Atlas Powder Company records

 Collection
Accession: 1516
Abstract:

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.

Dates: 1868-1958, bulk 1912-1958

Austin Powder Company album

 Collection
Accession: 1973-231
Abstract:

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.

Dates: circa 1900

Brandywine Valley oral history interviewees' photographs

 Collection
Accession: 2017-225
Abstract:

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.

Dates: circa 1859-1958; Majority of material found within 1890-1920

Carney's Point Works Technical Department records

 Collection
Accession: 1914
Abstract:

The Technical Department at DuPont's Carney's Point Works was established to collaborate with scientists at the DuPont Experimental Station and Eastern Laboratory of the Repauno Works to develop new products, maintain quality control, and improve products and processes. The collection focuses on the department's start-up period (1906-1910) and the two World Wars.

Dates: 1906-1968

Cazenove Gardner Lee, Jr. photographs and negatives

 Collection
Accession: 1969-085
Abstract:

Cazenove Gardner Lee, Jr. (1882-1945) was a genealogist and prolific writer, who founded the Society of Lees of Virginia. This collection conists of photographs and negatives relating to family and career of Cazenove Gardner Lee, Jr. The images are primarily of various gunpowder mills and machinery.

Dates: circa 1900-1925

Clinton Blackburn work papers

 Collection
Accession: 2177
Abstract:

Clinton H. Blackburn (1916-1993) was a mechanical engineer with E.I. du Pont de Nemours & Company. Blackburn's papers are a sample of work-related materials he retained upon retirement.

Dates: 1945-1982

DuPont Co., Carney's Point parade float photographs

 Collection
Accession: 1969-008
Abstract:

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The DuPont Company's Carney's Point plant began manufacturing guncotton and smokeless powder in 1892. Francis “Frank” Pierre Gentieu (1876-1950) was a ballistic Engineer at Carney's Point from 1901 to 1941. On October 10 1925, a military, civic and industry party parade concluded a three-day celebration of the 250th anniversary of the founding of Salem, New Jersey. This collection features two photographs of the DuPont Smokeless Powder Works float entered in the 250th Anniversary parade in Salem, New Jersey.

Dates: 1925

DuPont Company Advertising Department collection of graphic materials

 Collection
Accession: 1996-291
Abstract:

The Advertising Department representatives in each of the industrial departments worked with the central staff in creating ad campaigns.The collection consists of miscellaneous Du Pont Company advertising materials, including postcards, pictorial envelopes, lantern slides, advertisements, display cards, and illustrated pamphlets.

Dates: circa 1910-1970

DuPont Company Brandywine powder yards and neighboring worker communities' photographs

 Collection
Accession: 2017-226
Abstract:

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.

Dates: 1820-1970; Majority of material found within 1890-1960

DuPont Company circa 1804 Eagle gunpowder label reproduction

 Collection
Accession: 1993-202
Abstract:

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 item consists of two printed pieces: a Happy New Year 1993 greeting from Coley (P. Coleman) and Jake (James Coleman) du Pont and a reproduction of an Eagle gun powder label circa 1804.

Dates: 1993

DuPont Company Executive Committee records

 Collection
Accession: 2091
Abstract:

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. The Executive Committee became the principal body for coordinating the work of the various departments of the rapidly growing company, establishing company organizational structure and policy; approving capital expenditures and contracts; and fixing salary levels, bonuses, and other compensation. The files are arranged in six series. The "E" files are primarily service record information on members of the Executive Committee, giving some prior history of the person's career with DuPont. The "D" files are limited to organization charts, dating from 1914 to 1917. The "O" files (Operative Committee), "F" files (Finance Committee), and "X" files (Executive Committee) are primarily related to patents and licensing. Finally, materials copied by David A. Hounshell and John K. Smith for their book, Science and Corporate Strategy, are included.

Dates: 1903-1991; Majority of material found within 1950-1982

DuPont Company gunpowder advertisement

 Collection
Accession: 2006-233
Abstract:

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 Éleuthère Irénée du Pont the company began with the production of gunpowder. This item is an 1851 advertisement for DuPont gunpowders, including Eagle gunpowder, gunpowder for ordnance, and gunpowder for blasting and shipping.

Dates: 1851

DuPont Company gunpowder advertisement

 Collection
Accession: 2011-327
Abstract:

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 item is an 1851 advertisement for DuPont gunpowders, including Eagle gunpowder, gunpowder for ordnance, and gunpowder for blasting and shipping.

Dates: 1851

DuPont Company gunpowder advertising envelopes

 Collection
Accession: 1995-296
Abstract:

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 small collection consists of eight letter-size gunpowder advertising envelopes, including Peters cartridges, DuPont smokeless powder, Laflin & Rand, and Hazard Powder Company.

Dates: 1902

DuPont Company gunpowder calendar

 Collection
Accession: 1998-251
Abstract:

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 item is a 1901 advertising calendar with an illustration showing a hunter crossing a hillside with two dogs.

Dates: 1900

DuPont Company industrial safety calendars

 Collection
Accession: 2000-216
Abstract:

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. This collection consists of six safety calendars issued by the DuPont Company. The illustrators who created these calendars--Stanley Massey Arthurs (1877-1950), Clyde Osmer DeLand (1872-1947), Gayle Porter Hoskins (1887-1962), and Frank Earle Schoonover (1877-1972)--were all artists who studied under Howard Pyle (1853-1911) at the turn of the twentieth century.

Dates: 1932; 1937-1939; 1941-1942

DuPont Company Museum collection

 Collection
Accession: 1968-001
Abstract:

E.I. du Pont de Nemours & Company is a chemical company, which began as a manufacturer of gunpowder in 1802. The collection consists of photographs and prints that document the early history of the DuPont Company’s involvement in the gunpowder and explosives industries from the 1860s through the 1920s. The bulk of the collection are photographs of employees, executives, and plant views, including aftermaths of explosions and construction. This collection also includes a variety of advertisements for the DuPont Company as well as other non-DuPont related trades. A large portion of this collection are oversize materials (panoramic photographs and advertising posters).

Dates: 1885-1952

DuPont Company photographs

 Collection
Accession: 2006-237
Abstract:

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 for the production of black powder. This collection includes publicity photographs from the DuPont Company, many relating to nylon and its uses in World War II. Other subjects include company executives, employees, and stock holders; various factories and facilities; general World War II production awards; high explosives workers; and hunting.

Dates: circa 1920-1970

DuPont Company powder explosion account (typescript)

 Collection
Accession: 0636
Abstract:

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. Established in 1802, the company began with the production of gunpowder. The collection contains a typescript of newspaper notice entitled "Powder explosion of three wagon loads of powder at Wilmington, Del." from the Philadelphia Evening Bulletin on June 1, 1854. Also, a photocopy of a later transcript on the same subject.

Dates: 1854

DuPont Company Rifle Powder advertisement

 Collection
Accession: 2013-223
Abstract:

E.I. du Pont de Nemours & Company was established as a black powder manufactory in 1802 by Pierre Samuel du Pont de Nemours (1739-1817) and his son Eleuthère Irénée du Pont (1771-1834). This item is a single adverstiment for DuPont's Rifle Powder.

Dates: undated

E. I. du Pont de Nemours & Company Experimental Station photographs

 Collection
Accession: 2008-223
Abstract:

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). In 1903 the DuPont Company's Executive Committee established the Experimental Station, a research facility located on the banks of the Brandywine Creek across from DuPont's first black powder works. This collection contains photographs of general views of the Experimental Station showing its growth over time.

Dates: 1920-1988

E. I. du Pont de Nemours & Company, Wilmington Shops photographs

 Collection
Accession: 1993-282
Abstract:

The Wilmington Shops were preceded by the first DuPont Company machine shop facilities on the Brandywine River. This is a collection of photographs from the DuPont's Company Wilmington Shops, a large machine shop that produced specialized equipment which was used in DuPont Company plants. A few of the images show the interior of the shops, but the majority picture individual machines

Dates: 1934-1944

E. I. du Pont de Nemours Powder Company advertising cards

 Collection
Accession: 1980-304
Abstract:

E.I. du Pont de Nemours Powder Company was incorporated on May 19, 1903. It was organized as an operating company to consolidate approximately 100 explosives manufacturers controlled by E.I. du Pont de Nemours & Co. This collection is a series of six advertising cards for E. I. du Pont de Nemours Powder Company's smokeless powders for shotguns (DuPont smokeless; Hazard smokeless; New E.C. Improved; New Schultze; Infallible smokeless) and black sporting powders (DuPont Rifle; Hazard Kentucky Rifle; L. & R. Orange Extra Sporting).

Dates: circa 1908

E. Paul du Pont collection of Hagley Yard and du Pont family photographs

 Collection
Accession: 1975-250
Abstract:

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.

Dates: 1882-1906

Earl R. Fenstermacher Hercules plant miscellany

 Collection
Accession: 1448
Abstract:

Hercules Inc. was a manufacturer of chemicals and munitions based in Wilmington, Delaware. Earl R. Fenstermacher (1894-1984) was the superintendent of the Columbus plant in Kansas. This item is a bound volume containing two typescripts written by Fenstermacher describing the manufacture and operating procedures at the company.

Dates: 1919-1955

E.I. du Pont de Nemours & Co. gunpowder advertising card

 Collection
Accession: 1998-250
Abstract:

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. This item is an advertising card for E.I. du Pont de Nemours & Co. Gunpowder manufactured on the Brandywine in Wilmington, Delaware and sold through dealers in Philadelphia, New York City and Boston.

Dates: circa 1820

E.I. du Pont de Nemours & Co., Inc. Haskell Works panoramic photographs

 Collection
Accession: 1969-141
Abstract:

In 1902, DuPont took control of Laflin & Rand, including the Haskell Works. Infallible and Ballistite powders were manufactured there. The works played an important role in smokeless powder production during World War I. The panoramic photographs depict views of the Du Pont Company's smokeless powder works in Haskell, New Jersey and the workers village nearby.

Dates: circa 1920

E.I. du Pont de Nemours & Co., Inc. Old Hickory plant panoramic photographs

 Collection
Accession: 1969-159
Abstract:

The War Department of the United States Government contracted with the DuPont Company to build and run a smokeless powder plant called the Old Hickory plant on the Cumberland River near Nashville, Tennessee during World War I. These panoramic photographs show overall views of DuPont Company's Old Hickory smokeless powder plant, also views of exterior and interior details.

Dates: 1918

E.I. du Pont de Nemours & Co., Inc., Parlin, New Jersey plant panoramic photographs

 Collection
Accession: 1969-139
Abstract:

In 1904 the DuPont Company purchased the International Smokeless Powder and Chemical Company, which was then producing smokeless powder and nitrocellulose products in their plant in Parlin, New Jersey. This collection consists of seven panormaic photographs that show views of the Parlin, New Jersey plant, including views of production facilities and worker housing.

Dates: 1918; 1925

E.I. du Pont de Nemours Co. letter and receipt (photocopies)

 Collection
Accession: 0066-II
Abstract:

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. Established in 1802, the company began with the production of gunpowder. This collection consists of two copies of items, a letter and a receipt, from the DuPont Company to John Mason (1766-1849), superintendent of the Office of Indian Trade.

Dates: 1808 October 13; 1812 June 25

E.I. du Pont de Nemours & Co. records

 Collection
Accession: LMSS-V
Abstract:

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.

Dates: 1782-1902; Majority of material found within 1802-1830

E.I. du Pont de Nemours & Company, Inc., Carney's Point Works and workers housing panoramic photographs

 Collection
Accession: 1969-138
Abstract:

The DuPont Company purchased the land for a smokeless powder plant at Carney's Point, New Jersey (across the Delaware River from Wilmington, Delaware) in 1890. In 1892 it produced its first guncotton, and then the first smokeless powder. This collection consists of twenty panoramic photographs of Carney's Point smokeless powder plant, including exteriors of various buildings and groups of workers.

Dates: 1915-1918

E.I. du Pont de Nemours & Company insurance policies

 Collection
Accession: 1781
Abstract:

E.I. du Pont de Nemours & Company was organized in Paris in 1801 by Pierre Samuel du Pont de Nemours and his son Eleuthère Irénée du Pont. The collection contains insurance policies with the Union Insurance Company of Philadelphia, Delaware Fire Insurance Company, Wilmington Fire Insurance Company, and the Columbia Insurance Company of Philadelphia. The policies generally cover shipments of saltpeter, gunpowder, goods and merchandise, and the cotton factory Henry Clay Mill.

Dates: 1840-1845

E.I. du Pont de Nemours & Company minute books

 Collection
Accession: 2530
Abstract:

The E. I du Pont de Nemours & Company minute books document an important era in the history of the company from just before the turn of the twentieth century through the 1930s. The DuPont Company in this time went through many changes in structure under the leadership of cousins T. Coleman du Pont, Alfred I. du Pont, and Pierre S. du Pont.

Dates: 1899-1940

E.I. du Pont de Nemours & Company powder mills postcard

 Collection
Accession: 1995-278
Abstract:

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.

Dates: circa 1913

Eleuthera Bradford du Pont collection

 Collection
Accession: 0146
Abstract:

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 Éleuthère Irénée du Pont (1771-1834) for the production of gunpowder. The papers in this collection date from the lifetime of E.I. du Pont and document important aspects of the early history of the DuPont Company.

Dates: 1799-1834

Eleutherian Mills-Hagley Foundation research reports

 Collection
Accession: 1645
Abstract:

This collection contains research reports for the purpose of developing and elaborating exhibits and interpretations of the Hagley Museum. The reports were prepared by a permanent research staff and by participants in the Hagley Fellowship Program. The research reports also include scholarly articles that use Hagley's collections or are about subjects that pertain to Hagley's mission.

Dates: 1942-2007

Eleuthère Irénée du Pont papers

 Collection
Accession: LMSS-III
Abstract:

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.

Dates: 1782-1838

Eugene du Pont Jr. papers

 Collection
Accession: 1599
Abstract:

Eugene du Pont Jr. (1873-1954) was a director of the E.I. du Pont de Nemours & Company from 1917 until 1954, and a great grandson of company founder, Éleuthère Irénée du Pont (1771-1834). The collection contains the personal papers of Eugene du Pont, Jr., and the records of the Kinloch Gun Club, a private shooting club which he founded. It also contains a separate collection of correspondence between his brother Alfred I. du Pont, vice president and general manager of the DuPont Company, with his assistant Frank L. Connable, which is an important source for the history of the company in the early 1900s.

Dates: 1835-1956

Explosion at the DuPont Company's Belin Works plant photographs

 Collection
Accession: 1998-232
Abstract:

The Belin plant in Moosic, Pennsylvania was built by the DuPont Company in 1908 for the production of black powder, which it was doing by 1912. This collection consists of photographs of the aftermath of an explosion that occurred there on August 1, 1930.

Dates: 1930

Francis Gurney du Pont and Walter G. Tatnall memo books

 Collection
Accession: 0297
Abstract:

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.

Dates: 1877-1905

Francis Gurney du Pont letterbooks, with additional miscellany

 Collection
Accession: 1462
Abstract:

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).

Dates: 1780-1937

Francis Gurney du Pont papers

 Collection
Accession: 1600
Abstract:

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 consist of du Pont's student lecture and laboratory notes; letters; technical notes and papers; records of gunpowder production; patent specifications and drawings; patent correspondence; and printed patents related to gunpowder.

Dates: 1844-1900

Francis Gurney du Pont papers

 Collection
Accession: 0504
Abstract:

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.

Dates: 1818-1911

Frank P. Gentieu papers

 Collection
Accession: 0717
Abstract:

Francis “Frank” Pierre Gentieu (1876-1950) was a ballistic engineer at E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. Gentieu worked at DuPont's Carney's Point Plant in New Jersey from 1901 to 1941. This small collection contains an account by Gentieu entitled "The First Fifty Years at Carney's Point" (1891-1941); correspondence with du Pont family members; a list of his father Pierre Gentieu's photographs of the DuPont Company and Brandywine area; and a recollection written by Samuel Brown of a conversation with Sophie M. du Pont (1810-1888) related to the Brandywine Manufacturers Sunday School.

Dates: 1944-1948

George Washington Rains memorandum on Augusta Works

 Collection
Accession: 2598
Abstract:

George Washington Rains (1817-1898) was a United States Army and Confederate Army officer and proprietor in the Washington Iron Works. This war-date memorandum by Rains gives a full look at the successful Confederate crash program to develop reliable sources of munitions under wartime conditions and gives clues to the skills of the person who managed it.

Dates: 1864

Glaze Mill in the E. I. du Pont de Nemours and Company Hagley Yard photograph

 Collection
Accession: 1975-263
Abstract:

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 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.

Dates: 1903-1910

H.A. Weldy Powder Company lithograph

 Collection
Accession: 1998-271
Abstract:

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.

Dates: circa 1865

Hagley Yard buildings, DuPont Company offices and laboratory, and powder labels

 Collection
Accession: 1969-011
Abstract:

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.

Dates: circa 1890-1928