Showing Collections: 451 - 500 of 1550
In the years leading up to the Second World War, the United States government initiated a massive effort to ensure that adequate supplies of essential materials would be readily available should the country's armed forces become actively engaged in military conflict. At the request of the Army Ordnance Department, the DuPont Company participated in these procurement programs by undertaking the design, construction, and operation of plants for the manufacture of military explosives and other chemical products essential to the successful prosecution of the war. The records of the Explosives Department consist of special reports to the Executive Committee, the files of general manager Edward B. Yancey, and the files of powder superintendent Charles E. Seymour.
The Grasselli Chemicals Department of the E.I. du Pont de Nemours & Company was responsible for the manufacture of ammonia, inorganic heavy chemicals, zinc smelting, and plating products, tanning chemicals, insecticides, and wood preservatives. The records are limited to a single file on the Grasselli zinc mine near New Market, Tennessee, and contain copies of the lease, maps, geologist's reports, and correspondence on the output of the mine.
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). The du Ponts purchased a mill site on the banks of the Brandywine River just North of Wilmington, Delaware. The pulp keg mill, after the powder yards closed, was used for record storage by the DuPont Company. (Currently, it is a Hagley Museum and Library property, the Hall of Records.) 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 the du Pont's first black powder works. This collection consists of photographs and negatives from the DuPont Company's Secretary's Department showing the Hall of Records at various times and one aerial view of the Experimental Station.
E.I. du Pont de Nemours & Company, Inc., Carney's Point Works and workers housing panoramic photographs
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.
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.
The Textile Fibers Department of the DuPont Company was established in 1936 (known then as the Rayon Department) which specialized in researching and developing synthetic fibers for fabrics such as Rayon, Nylon, Teflon, Corian, and Kevlar. Lavoisier Library is the library at the DuPont Company's Experimental Station, a large industrial research facility focused on innovative advancements in chemistry located in Wilmington, Delaware. The records in this collection consists of files assembled to document various aspects of the company's history, its policies and products, and the writings and speeches of executives and researchers.
E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company, established in 1802. The Legal Department was established as a staff department in 1905. The records of the Legal Department include copies of the 1899 dissolution agreement and the 1902 incorporation correspondence. The collection is organized into seven series: Administrative papers; Litigation; Vital records; Stockholder files; Historical files; Patent Board files; and Reports to the Executive Committee.
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.
The E.I. du Pont de Nemours Niagara Plant produces a number of specialty chemicals, such as polymer acetates, sodium cyanide, and methyl chloride; the plant was purchased by the DuPont Company in 1930. This small collection of Niagara Plant historical files consists of plant histories, photographs, biographical information on personnel, drawings of plant buildings, and some artifacts.
E.I. du Pont de Nemours & Company is a chemical company more commonly known as the DuPont Company. It was established in 1802 and began by manufacturing gunpowder, later moving into chemical compounds. During the 1920s and 1930s, under the leadership of Irénée du Pont (1876-1963), president from 1919 to 1926, and Lammot du Pont (1880-1952), president from 1926 to 1940, the company became the world's leading chemical manufacturer producing smokeless powder, dynamite, dyes, cellophane, textile fibers, and artificial rubber. The records primarily document the presidency of Lammot du Pont, with some fragmentary records from the Irénée du Pont period.
E.I. du Pont de Nemours & Company, Organic Chemicals Department, Dyestuffs Division manuals and notebooks
E.I. du Pont de Nemours & Company was a chemical company and began a research program in dyes in 1916. By the late 1920s the DuPont Company was one of the four major U.S. dye producers and controlled twenty-five percent of the market. The records consist of notebooks and procedures on dyes, which describe the colors, uses, applications, tests, and fastness and dying properties for dyes manufactured by DuPont and its competitors.
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 organization charts show the evolution of DuPont's corporate structure, including the period 1919 to 1921, when the decentralized, multi-divisional form was adopted, and the diversification and restructuring of the 1980s. As the charts also show the names of company officials above supervisory rank, they may also be used to follow individual career paths.
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.
E. I. du Pont de Nemours & Company's Pontchartrain Works in LaPlace, Louisiana, was a major producer of Neoprene and other elastomers in the latter half of the twentieth century. The records consist of manuals, technical reports, brochures, bulletins, and other material from Du Pont's Louisville Works, Montague Works, and its Maydown Works located in the United Kingdom. Most documents were created by the company's Elastomer Chemicals Department and deal with the manufacture of various synthetic rubbers in the 1950s and 1960s.
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.
E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. The Public Affairs Department began as the Publicity Bureau in 1916, to deal with issues raised by the great increase of business spawned by World War I. Prior to this time, publicity had been handled by the Advertising Division, created in 1911. The Public Affairs Department records contain biographical sketches of deceased officers, employees, and du Pont family members, as well as histories of company plants, predecessor companies, and all line and staff departments. The alphabetical history file contains press releases, memoranda, and pamphlets that were assembled for various public relations campaigns.
E.I. du Pont de Nemours & Company’s R. & H. Chemicals Department manufactured and sold peroxides, cyanide of sodium, formaldehyde, trychloretheline, tin oxide, and polyvinyl alcohol. The department was formed in 1933 as a result of the 1930 acquisition of the Roessler & Hasslacher Chemical Company, which operated a plant in Niagara Falls, New York. The records primarily consist of reports on experimentations with various insecticides, pesticides, preservatives, and other forms of pest and disease-control applied to the farming and agricultural industries.
The E.I. du Pont de Nemours & Company is a chemical company commonly known as the DuPont Company. It was established in 1802 and began by manufacturing gunpowder; later it produced chemical compounds. The Real Estate Division was responsible for investigating locations and the acquisition of major facilities throughout the United States. Henry H. Gunther (1919-1960), was a real estate specialist with the DuPont Company. This small collection consists of Gunther's files on acquiring plant sites.
E.I. du Pont de Nemours & Company Repauno Works manufactured high explosive dynamite. The company began as the Repauno Chemical Company on June 7, 1880 founded by Lammot du Pont (1831-1884). Lammot du Pont was a chemist working for the family business, E.I. du Pont de Nemours & Company, a chemical company which originally produced gunpowder. This collection consists of material for the 100th anniversary of the E.I. du Pont de Nemours & Company Repauno Works.
In the twenty-first century, the E.I. du Pont de Nemours & Company, better known as the DuPont Company focused on science with a diverse set of interests and products. It operates in more than ninty countries with corporate headquarters in Wilmington, Delaware, and employs more than 60,000 people worldwide, including 10,000 scientists and engineers. This is a collection of websites owned by or affiliated with the DuPont Company, between 2011 and present. Complete web archive is available at https://archive-it.org/collections/2606.
Eleuthère Irénée du Pont (1771-1834) was the founder of E.I. du Pont de Nemours & Company. The collection contains original love letters from du Pont to his wife, Sophie (Dalmas) du Pont (1775-1828). He writes of how much he loves his wife and misses her when away. English transcribed extracts of several letters were done by their daughter, Sophie Madeleine du Pont (1810-1888).
Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828) had four daughters: Victorine (1792-1861), Evelina (1796-1863), Eleuthera (1806-1876), and Sophie (1810-1888). The daughters maintained this album (in microfilm form) of prints, sketches, watercolor designs, selection of poetry, and autographs. It was returned to Victorine after the original recipient died in 1823, at which point she continued it.
Eileen Gray (1878-1976) is considered one of the most important and influential furniture designers and architects of the early twentieth century, inspiring both modernism and Art Deco movements. She was among the vanguard of the International Style in her use and interpretation of geometric forms and industrially produced materials. This collection is a boxed set of postcard-size reproductions of black and white photographs of houses, rooms, and objects designed by her.
Frederic G. Cooper (1883-1962) was an honorary member of the Society of Illustrators. He worked for New York Edison from 1905 to 1926. These are miniature souvenir posters for the Electrical Exposition and Motor Shows sponsored by the New York Edison Company.
The Leeds & Northrup Company thrived throughout the twentieth century as a premier manufacturer of precision measuring and scientific equipment. The bulk of the Leeds & Northrup Electrical Power Systems records come from three employees, whose work at Leeds & Northrup spanned from 1928-1981: W. Spencer Bloor (1918-2002), Nathan Cohn (1907-1989), and S. Byron Morehouse. All worked within the Instrumentation and Controls for Electric Power Application Division. The records include papers, presentations, correspondence, memos, blueprints, and other materials relating to the development of a national electrical power grid in the United States. Technological and commercial developments in automatic electric power generation control, stabilization of energy load across regions, and problems of interconnection feature prominently in these materials.
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.
Eleuthera du Pont Smith (1806-1876) was the daughter of Eleuthère Irénée du Pont (1771-1834) and Sophie Madeleine Dalmas du Pont (1775-1828). This collection contains an invitation she received to attend the Lafayette Ball in Philadelphia in 1824.
Eleuthera du Pont Smith (1806-1876) and Sophie Madeleine du Pont (1810-1888) were daughters of Eleuthère Irénée du Pont (1771-1834) and Sophie Madeleine Dalmas du Pont (1775-1828). This collection contains letters from the du Ponts to Mary Wilkinson, a former student at the Brandywine Manufacturers' Sunday School. The letters discuss domestic matters, including family news, health, faith, and needlework for the mills.
Between 1802 and 1921, Eleutherian Mills was a gunpowder mill site used for the manufacture of explosives by the du Pont family business, which was founded by Éleuthère Irénée "E.I." du Pont (1771–1834). Longwood Gardens is a series of formal display gardens in Kennett Square, Pennsylvania, that was developed by Pierre S. du Pont (1870-1954), a descendent of E.I. du Pont. These are aerial views of the residence at Eleutherian Mills and Longwood Gardens taken by Dallin Aerial Surveys Company.
From 1802 to 1921, Eleutherian Mills was a gunpowder mill site used for the manufacture of explosives by the duPont family business. The name also refers to the house and gardens on the hill above the mills, which was the first duPont family home in America. This collections contains slides and color snapshot photographs of the garden at Eleutherian Mills. Also included is an 8 mm. home movie.
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.
Eleutherian Mills is the house built by Eleuthère Irénée du Pont (1771-1834), above his gunpowder mills, the E.I. du Pont de Nemours & Company. It served as a home to the du Pont family for generations, the last being Louise du Pont Crowninshield (1877-1958). The collection contains material related to the restoration of the home prior to Crowninshield occupying it. Also included are materials related to a road to the Eleutherian Mills and Nemours residences, repairs to the iron bridge across the Brandywine, and description of E.I. du Pont's garden.
Eleuthère Irénée du Pont (1921-1994) was a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthère Irénée du Pont (1771-1834) in 1802. E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. This collection consists of graphic materials including a photographic print of Eleuthère Irénée du Pont (1921-1994), booklets, a copy of a photographic print of Johan Andreas Philip Ludwig (1753-1803), the Ludwig family crest and a genealogy of the Pelleport family.
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. This ledger documents his accounts current between the years 1814 and 1818.
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.
Eleuthère Irénée du Pont (1771-1834), with his father Pierre Samuel du Pont de Nemours (1739-1817), was the founder of E.I. du Pont de Nemours & Company. This collection includes his recipts for hotel and livery stable bills.
Elise Simons du Pont (1849-1919) was the wife of Francis Gurney du Pont (1850-1904), a vice president of E.I. du Pont de Nemours & Co., a chemical company more commonly referred to as the DuPont Company. The records consist of itemized household receipts, primarily from three Wilmington, Delaware grocers and one from John Wanamaker's department store in Philadelphia. The receipts give descriptions of goods and prices.
Elliott, Johnson & Co. was a well-known banking and brokerage firm of Wilmington, Delaware, in the late nineteenth century. Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The collection consists of two letters from Elliott, Johnson & Co. regarding the purchase of bonds in two Florida railroads, the Sanford & Lake Eustis Railroad Company and the Jacksonville, Tampa & Key West Railway Company.
Ellis Leroy "Lee" Hawk, Jr. (1926-2012) was a chemical engineer with Hercules Inc., and later the engineering director at Himont. He was involved in establishing polypropylene plants all over the world during the 1950s through the 1980s. This small collection consists of a scrapbook of photographs showing plant construction and a travel memoir written by Hawk about his career in the chemical industry. The memoir provides context for the scrapbook and an interesting portrait of an American businessman during the early stages of globalization.
Elmer Sperry (1860-1930) was one of America’s electric pioneers. He founded the Sperry Gyroscope Company in order to develop, manufacture, and market marine gyrostabilizing devices. The papers document Sperry's research and development work and entrepreneurial activities.
Elmer A. Sperry (1860-1930) was an electrical engineer who established the Electric Light, Motor, and Car Brake Company in 1883 and then founded the Sperry Electric Mining Machine Company in 1886. After selling his patents to General Electric, he went to work for the company as a consultant. This collection includes original materials, as well as copy work from other sources and images which show Sperry's inventions; there is some ephemera, family photos, employees, and views of the Sperry Company's Brooklyn drafting rooms.
Elva M. Chandler (1900-1990) was an active clubwoman, active in many women's professional, church, and political organizations and president of the local Business and Professional Women's Club. She was best known for her involvement in the Delaware Federation of Business and Professional Women's Clubs (BPWC) and belonged to the Christina branch. Chandler's papers document her role in business and professional women's organizations and the changing role of women in business life from the 1950s to the 1970s.
Emile F. du Pont (1898-1974) was director of the Employee Relations Department for DuPont Company beginning in 1945. His papers largely consist of speeches he gave, most of which were given to DuPont employees, on the history of the company. There are also files related to his role in the National Safety Council and production of "The Du Pont Story" film.
Emma E. Holmes (1838-1910) was the daughter of Dr. Henry M. Holmes (1790-1854) and Eliza Ford Gibbes (1808-1875). The diary chronicles Holmes's life in Charleston, South Carolina, during the Civil War, detailing the Charleston fire of December 1861, visiting army camps, taking a position as governess and tutor, and plundering Union troops near the end of the war.
The records consist of photocopies of miscellaneous documents of the Empire Steel and Iron Company, the originals of which are in the possession of the National Canal Museum at Easton, Pa. Most of them seem to have come from the Mount Hope site. There is another small collection of miscellaneous materials from the field office of the Mount Hope Mine at the New Jersey Historical Society.
Edith N. McConnell (1880-1968) was a confectioner and caterer in Wilmington, Delaware from the 1920s through the 1950s. This small collection consists of photographs of wedding cakes, table settings, and restaurant interiors in Wilmington and Newark, Delaware, mostly dating from around 1945.
The rise and fall of Enron Corp., a natural gas utility transformed into the world’s largest energy trader, followed a pattern of boom and bust familiar in the history of American business. The records in this collection belonged to Herbert “Pug” Winokur, a member of Enron’s board of directors and chair of its finance committee. He used these records to prepare for depositions associated with the Enron bankruptcy. This collection contains meeting minutes, supporting materials and other documents relating to the Department of Justice investigation into the Enron Corp. from 1997 to 2002.
Epcot, the Experimental Prototype Community of Tomorrow, opened in 1982. It was conceived by Walt Disney to "take its cue from the new ideas and new technologies that are now emerging from the creative centers of American industry." This booklet is a guide to the attractions at Future World and the World Showcase at the EPCOT Center in Florida. It also includes advertising matter for Eastman Kodak Company disc and instant cameras. Eastman Kodak Company, commonly known as Kodak, is best known for photographic film products, which it produced throughout most of its history. In 1982, Kodak launched the Kodak Disc film format for consumer cameras
The Erie City Iron Works in Erie, Pennsylvania, was a major manufacturer of boilers, stationary and portable engines, and machinery for sawmills and steam riveting. These are five reproductions of nineteenth century photographs from the Erie City Iron Works. One is an exterior of the plant. The four others are posed photographs of employee groups.
The Erie City Iron Works was founded by Pennsylvania capitalist Bethuel Boyd Vincent (1803-1876) as the Presque Isle Foundry in 1840. The Works was a major manufacturer of boilers, stationary and portable engines and machinery for sawmills and steam riveting as well as railroad freight and passenger cars. Their records are largely comprised of accounting records.
- Manuscripts and Archives 870
- Audiovisual Collections 676
- Published Collections 4
- Correspondence 239
- Railroads 116
- Advertisements 100
- Gunpowder industry 79
- Social history 78
- Chemical industry 76
- Explosives industry 67
- Exhibitions 64
- Financial statements 54
- Textile industry 50
- Research, Industrial 44
- Steel industry and trade 43
- Textile fibers, Synthetic 41
- Exhibition buildings 39
- Iron industry and trade 39
- Reports 39
- Account books 38
- Ephemera 37
- Patents 37
- Portraits 37
- Electronic industries 35
- Postcards 35
- Scrapbooks 35
- Minutes 34
- Ships 34
- Diaries 33
- Wilmington (Del.) 33
- Domestic relations 32
- Group portraits 32
- Aeronautics 31
- World War, 1939-1945 31
- Construction projects 30
- Marketing 30
- Photograph albums 30
- Factories 29
- Railroads -- Rolling stock 29
- Genealogies 28
- Inventors 28
- Panoramic photographs 28
- Testing laboratories 28
- Du Pont family -- Homes and haunts 27
- Industrial design 27
- Industrial chemists 26
- Papermaking 25
- Biography 24
- Dyes and dyeing 24
- Industrial safety 24
- Oral histories 24
- Powder mills 24
- Planographic prints 23
- Weapons industry -- Employees 23
- Automobile industry and trade 22
- Investments 22
- Railroad stations 22
- Trade associations 22
- Coal mines and mining 21
- Gunpowder, Smokeless 21
- Merchants 21
- Packaging -- Design 21
- Aerial photographs 20
- Posters 20
- Textile factories 20
- Blast furnaces 19
- Business and politics 19
- Chemical plants 19
- Maps 19
- Pennsylvania 19
- Iron and steel workers 18
- Sales promotion 18
- Steel-works 18
- Technical drawings 18
- United States -- History -- Civil War, 1861-1865 18
- Wages 18
- Banks and banking 17
- Computer industry 17
- Historic sites 17
- Industrial housing 17
- Philadelphia (Pa.) 17
- Railroads -- Buildings and structures 17
- Speeches 17
- World War, 1914-1918 17
- Commerce 16
- Firearms 16
- Industrial relations 16
- Laboratory notebooks 16
- Nylon 16
- Paper mills 16
- Railroads -- Rolling stock -- Design and construction 16
- United States. Navy -- Officers 16
- Europe -- Description and travel 15
- Finishes and finishing 15
- Gardens 15
- Industrial films 15
- Printing industry 15
- Receipts (Financial records) 15
- Cotton manufacture 14
- Dwellings 14
- Electric industries 14
- Mechanical engineering 14
- Papermaking machinery 14 ∧ less
- English 1496
- French 62
- German 3
- Italian 2
- Spanish; Castilian 1
- Du Pont family 188
- E.I. du Pont de Nemours & Company 179
- Unknown 54
- Du Pont de Nemours, Pierre Samuel, 1739-1817 49
- Pennsylvania Railroad 40
- Du Pont, Samuel Francis, 1803-1865 31
- E.I. du Pont de Nemours & Company. Experimental Station 25
- Du Pont, Sophie Madeleine, 1810-1888 19
- RCA Corporation 18
- Du Pont, Eleuthère Irénée, 1771-1834 16
- Du Pont, H. A. (Henry Algernon), 1838-1926 16
- United States. Navy 16
- Dick, John A., 1879-1972 14
- Du Pont de Nemours, Francoise Robin Poivre, 1748-1841 14
- Joseph Bancroft & Sons Co 14
- New York World's Fair (1964-1965 : New York, N.Y.) 14
- Du Pont, Pierre S. (Pierre Samuel), 1870-1954 13
- Savery, Thomas H., 1837-1910 13
- Longwood Gardens (Kennett Square, Pa.) 12
- New York World's Fair (1939-1940 : New York, N.Y.) 12
- Eleutherian Mills (Greenville, Del. : Estate) 11
- Jackson Laboratory (E.I. du Pont de Nemours & Company) 11
- Pusey and Jones Company 11
- Carothers, Wallace Hume, 1896-1937 10
- Centennial Exhibition (1876 : Philadelphia, Pa.) 10
- E.I. du Pont de Nemours & Company. Textile Fibers Department 10
- Greenewalt, Crawford H., 1902-1993 10
- Reading Company 10
- World’s Columbian Exposition (1893 : Chicago, Ill.) 10
- Du Pont, Francis Gurney, 1850-1904 9
- Du Pont, Victor Marie, 1767-1827 9
- Loewy, Raymond, 1893-1986 9
- Pusey & Jones Corporation 9
- Baldwin Locomotive Works 8
- Bethlehem Steel Corporation 8
- Crowninshield, Louise du Pont, 1877-1958 8
- Du Pont, Henry, 1812-1889 8
- E.I. du Pont de Nemours & Company. Brandywine Works 8
- E.I. du Pont de Nemours & Company. Central Research and Development Department 8
- E.I. du Pont de Nemours & Company. Organic Chemicals Department 8
- National Association of Manufacturers (U.S.) 8
- Southeastern Pennsylvania Transportation Authority 8
- E.I. du Pont de Nemours & Company. Carney's Point Works 7
- E.I. du Pont de Nemours & Company. Chestnut Run Laboratories 7
- E.I. du Pont de Nemours & Company. Hagley Yard 7
- E.I. du Pont de Nemours & Company. Pioneering Research Laboratory 7
- Gentieu, Pierre A., 1842-1930 7
- Gilpin, Joshua, 1765-1841 7
- Hagley Museum and Library 7
- Hanford Engineer Works 7
- International Business Machines Corporation 7
- Maxim, Hudson, 1853-1927 7
- Philadelphia & Reading Railroad Co 7
- Victor Talking Machine Company 7
- Amtrak 6
- Century of Progress International Exposition (1933-1934 : Chicago, Ill.) 6
- Du Pont, Alfred I. (Alfred Irénée), 1864-1935 6
- E.I. du Pont de Nemours & Company. Engineering Department 6
- E.I. du Pont de Nemours & Company. Grasselli Chemicals Department 6
- General Electric Company 6
- Lea family 6
- Lehigh Valley Railroad Company 6
- Manhattan Project (U.S.) 6
- Penn Central Transportation Company 6
- Radio Corporation of America 6
- Thayer, Horace H., 1878-1959 6
- Young, William, 1755-1829 6
- Baltimore and Ohio Railroad Company 5
- Bauduy, Peter, 1769-1833 5
- Brandywine Manufacturers Sunday School 5
- Budd Company 5
- DeMirjian, Charles H., 1925-2021 5
- Du Pont, Irénée, 1876-1963 5
- E.I. du Pont de Nemours Powder Company 5
- General Motors Corporation 5
- Hagley Museum and Library. Library. Oral History Project Office 5
- Hercules Powder Company 5
- Louisiana Purchase Exposition (1904 : Saint Louis, Mo.) 5
- Lukens Steel Company 5
- Ramsay, William G. (William Gouverneur), 1866 - 1916 5
- Remington Arms Company 5
- Sperry Rand (Corporation). Univac Division 5
- Staël, Madame de (Anne-Louise-Germaine), 1766-1817 5
- University of Delaware 5
- William Sellers & Co. (Philadelphia, Pa.) 5
- All American Engineering Company 4
- American Car and Foundry Company 4
- American Car and Foundry Company. Jackson & Sharp Plant 4
- American Iron and Steel Institute 4
- American Telephone and Telegraph Company 4
- Bauduy, Victorine du Pont, 1792-1861 4
- Bethlehem Steel Company 4
- Bradford, Phoebe George, 1794-1840 4
- Brandywine Hundred (Del.) 4
- Central Railroad of New Jersey 4
- Du Pont Motors, Incorporated 4
- Du Pont, Jean Kane Foulke, 1891-1985 4
- Du Pont, Margaretta Lammot, 1807-1898 4
- Du Pont, Richard C. (Richard Chichester), 1911-1943 4
- Du Pont, T. Coleman (Thomas Coleman), 1863-1930 4 ∧ less