Showing Collections: 451 - 500 of 1526
E.I. du Pont de Nemours & Company, Organic Chemicals Department, Dyestuffs Division manuals and notebooks
Abstract: 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.
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 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.
Abstract: 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.
Dates: circa 1980
Abstract: 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.
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
Abstract: 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.
Abstract: 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.
Abstract: 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.
Abstract: 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.
Dates: 1918-1983; Majority of material found within 1965-1983
Abstract: 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.
Abstract: 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).
Abstract: 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.
Abstract: 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.
Dates: circa 1992
Abstract: 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.
Abstract: 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.
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.
Abstract: 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.
Dates: 1824 September
Abstract: 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.
Abstract: 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.
Dates: circa 1930s
Abstract: 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.
Dates: circa 1950-1970
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.
Abstract: 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.
Abstract: 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.
Abstract: 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.
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.
Abstract: 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.
Abstract: 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.
Abstract: 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.
Abstract: 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.
Dates: circa 1990; 2005
Abstract: 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.
Abstract: 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.
Abstract: 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.
Dates: 1917-1988; Majority of material found within 1965-1972
Abstract: 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.
Abstract: 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.
Abstract: 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.
Dates: 1857-1991; bulk 1903-1918
Abstract: 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.
Dates: circa 1925-1946
Abstract: 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.
Abstract: 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
Abstract: 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.
Abstract: 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.
Abstract: 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. The collection consists of technical diagrams of engines.
Dates: circa 1912-1924
Abstract: This collection consists of the business records of Ernest Dichter and the several consulting firms through which he operated fully document his role as a pioneer of motivational research, from the beginnings of his career in the United States until a few months before his death.
Dates: 1936-1991; Majority of material found within 1956-1986
Abstract: Ernest Dichter (1907-1991) was one of the pioneers in consumer motivational research. He started his own consulting business in 1946. It was incorporated in New York as the Institute for Research in Mass Motivations, Inc. in 1952 and renamed the Institute for Motivational Research, Inc. in 1955. This collection consists of photographs, negatives, slides, contact sheets, and audio cassettes.
Abstract: Ernest du Pont (1880-1944) and his elder brother Francis Irenee du Pont (1873-1942) founded the U.S.F. Powder Company in 1919, which produced flashless cannon powder. This item is a cabinet card photograph of Ernest du Pont (1880-1944) as a young child.
Dates: circa 1883
Abstract: Ernest Munster (1885-1965) was an attorney and organized Lawyers International Corporation in 1930, with its office in New York City. Munster, the company's president, continued his association with the company through at least the mid-1940s. The Ernest Munster papers reflect his work which necessitated his familiarity with international trade and incorporation laws and taxation policies. The collection primarily consists of records Munster maintained during his years as president of Lawyers International Corporation, with some papers dating back to his employment with International Corporation Company in the late 1930s.
Dates: 1917-1946; Majority of material found within 1930-1939
Abstract: Ernst R. Habicht (1902-1987) was the general manager of E.I. du Pont de Nemours & Company's ammonia production plant at Belle, West Virginia. His papers include newspaper clippings, correspondence, a long memorandum, and a humorous poem by Habicht relating to the 1947-1948 strike at the Belle plant.
Abstract: Eugene Blery (1805-1887) was a French artist, engraver and lithographer. This collection contains two etchings of pastoral views of Nemours in Normany, France. One depicts the French ancestral home of the du Pont family.
Dates: 1851; 1870
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.
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 papers of Eugene du Pont Jr. include reports to the DuPont Company Board of Directors by the executive committee and the treasurer of the DuPont Company. In addition, there are several copies of letters to du Pont family members.
Abstract: Eugene Eleuthère du Pont (1882-1966) was an industrialist and a descendant of Pierre Samuel du Pont de Nemours (1739-1817) and his son, Éleuthère Irénée du Pont (1771-1834), who founded E.I. du Pont de Nemours & Company in 1802, a chemical company more commonly referred to as the DuPont Company. He attended Harvard University from 1899 to 1903, graduating with an A.B. degree before joining the family business. Eugene E. du Pont kept this scrapbook during his years at Harvard, continuing to the year of his world travels. There are a few pieces relating to the Harvard Class of 1903. However, the bulk of the material consists of articles, particularly poetry.
- Manuscripts and Archives 850
- Audiovisual Collections 674
- Published Collections 2
- Correspondence 236
- Railroads 115
- Advertisements 98
- Gunpowder industry 79
- Social history 77
- Chemical industry 74
- Explosives industry 65
- Exhibitions 64
- Financial statements 53
- Textile industry 48
- Research, Industrial 43
- Steel industry and trade 43
- Exhibition buildings 39
- Iron industry and trade 39
- Textile fibers, Synthetic 39
- Reports 38
- Account books 37
- Portraits 37
- Ephemera 36
- Patents 36
- Electronic industries 35
- Postcards 35
- Scrapbooks 35
- Ships 34
- Diaries 33
- Wilmington (Del.) 33
- Domestic relations 32
- Group portraits 32
- Aeronautics 31
- Minutes 31
- Construction projects 30
- Marketing 30
- Photograph albums 30
- Factories 29
- World War, 1939-1945 29
- Genealogies 28
- Inventors 28
- Panoramic photographs 28
- Railroads -- Rolling stock 28
- Testing laboratories 28
- Du Pont family -- Homes and haunts 27
- Industrial chemists 25
- Industrial design 25
- Papermaking 25
- Biography 24
- Oral histories 24
- Powder mills 24
- Dyes and dyeing 23
- Industrial safety 23
- Planographic prints 23
- Weapons industry -- Employees 23
- Automobile industry and trade 22
- Investments 22
- Coal mines and mining 21
- Gunpowder, Smokeless 21
- Packaging -- Design 21
- Railroad stations 21
- Aerial photographs 20
- Merchants 20
- Posters 20
- Blast furnaces 19
- Maps 19
- Pennsylvania 19
- Trade associations 19
- Business and politics 18
- Chemical plants 18
- Iron and steel workers 18
- Sales promotion 18
- Steel-works 18
- Technical drawings 18
- Textile factories 18
- United States -- History -- Civil War, 1861-1865 18
- Historic sites 17
- Industrial housing 17
- Philadelphia (Pa.) 17
- Speeches 17
- World War, 1914-1918 17
- Banks and banking 16
- Commerce 16
- Computer industry 16
- Firearms 16
- Industrial relations 16
- Laboratory notebooks 16
- Paper mills 16
- Railroads -- Buildings and structures 16
- Railroads -- Rolling stock -- Design and construction 16
- United States. Navy -- Officers 16
- Wages 16
- Europe -- Description and travel 15
- Finishes and finishing 15
- Gardens 15
- Industrial films 15
- Nylon 15
- Printing industry 15
- Receipts (Financial records) 15
- Dwellings 14
- Electric industries 14
- Mechanical engineering 14
- Papermaking machinery 14
- Real property 14 ∧ less
- English 1472
- French 62
- German 3
- Italian 2
- Spanish; Castilian 1
- Du Pont family 188
- E.I. du Pont de Nemours & Company 178
- 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
- New York World's Fair (1964-1965 : New York, N.Y.) 14
- Joseph Bancroft & Sons Co 13
- Savery, Thomas H., 1837-1910 13
- Du Pont, Pierre S. (Pierre Samuel), 1870-1954 12
- Longwood Gardens (Kennett Square, Pa.) 12
- New York World's Fair (1939-1940 : New York, N.Y.) 12
- Eleutherian Mills (Greenville, Del. : Estate) 11
- Pusey and Jones Company 11
- Centennial Exhibition (1876 : Philadelphia, Pa.) 10
- E.I. du Pont de Nemours & Company. Textile Fibers Department 10
- Greenewalt, Crawford H., 1902-1993 10
- Jackson Laboratory (E.I. du Pont de Nemours & Company) 10
- World’s Columbian Exposition (1893 : Chicago, Ill.) 10
- Carothers, Wallace Hume, 1896-1937 9
- Du Pont, Francis Gurney, 1850-1904 9
- Du Pont, Victor Marie, 1767-1827 9
- Loewy, Raymond, 1893-1986 9
- Pusey & Jones Corporation 9
- Reading Company 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
- 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
- National Association of Manufacturers (U.S.) 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. 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 & Company. Engineering Department 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
- 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, Alfred Victor, 1798-1856 4
- Du Pont, Charles I. (Charles Irénée), 1797-1869 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 ∧ less