Showing Collections: 451 - 500 of 1713
E. I. du Pont de Nemours & Company, Atomic Energy Division records
The Savannah River Plant manufactured basic materials required in the production of nuclear weapons, specifically plutonium and tritium. The complex was comprised of five reactors, two chemical separation plants, a heavy water extraction plant, nuclear fuel, and target fabrication facility, a tritium extraction facility, and waste management facilities. The E. I. du Pont de Nemours and Company, Atomic Energy Division records are an expansive and rich collection of materials that document the DuPont Company’s involvement in the Manhattan Project and the company’s continued role in the United States government’s exploration of atomic power and weaponry.
E. I. du Pont de Nemours & Company Experimental Station photographs
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.
E. I. du Pont de Nemours & Company, Hanford Engineer Works photographs and films
The Hanford Engineer Works in Hanford, Washington, was constructed between 1943 and 1945 to create the plutonium 239 and uranium 235 used in the atomic weapons needed for World War II. Sponsored by the Army Corps of Engineers, E.I. du Pont de Nemours & Company acted as the prime contractor. This collection contains two captioned albums, one of the Medical Division between 1943 and 1945, and the other of Hanford Yuletide Carnival in 1943. The films are various format copies of "War construction in the desert", created to document the building and running of the Hanford Engineer Works. Also included is a film of African American workers dancing in one of the mess halls and a farewell party of DuPont executives in 1948.
E. I. du Pont de Nemours & Company photographs
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 collection consists of photographs that document two separate activities. First grouping shows a nyalite (and explosive) outdoor safety demonstration (1905) probably conducted in the Hagley powder yards.
E. I. du Pont de Nemours & Company, Wilmington Shops photographs
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
E. I. du Pont de Nemours & Company Yerkes Plant records
What became known as the Yerkes plant in Buffalo, New York of the E.I. du Pont de Nemours & Company began as the DuPont Fibersilk Company in 1920, a joint venture between DuPont and a French textile company, Comptoir des Textiles Artificiels, created to produce artificial silk. In 1923, the two companies formed a second joint venture to produce cellophane at the site. DuPont bought the French interests in both companies in March 1928. This collection from the Yerkes plant consists of various publications, cellophane samples, employee magazines, and a scrapbook about the live broadcast from Buffalo of an episode of the radio program Cavalcade of America, entitled The Oath, based on the life of Millard Fillmore.
E. I. du Pont de Nemours Powder Company advertising cards
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).
E. Paul du Pont collection of Hagley Yard and du Pont family photographs
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. Paul du Pont papers
Eleuthère Paul du Pont (1887-1950) was the founder of the luxury automobile company DuPont Motors, Incorporated in 1919. In 1930, E. Paul du Pont also became the president of the Indian Motorcycle Company in Springfield, Massachusetts. Throughout his life, E. Paul du Pont developed numerous patents and wrote articles for various trade publications in the automobile industry. DuPont Motors, Incorporated was a manufacturing company of luxury automobiles, founded by E. Paul du Pont in 1919 in Wilmington, Delaware. Indian Motorcycle Company is a manufacturer of a wide variety of motorcycles. In 1930, after selling DuPont Motors, Incorporated stock, E. Paul du Pont bought a large share of Indian Motorcycle Company stock and became the company president. This collection documents both the professional and personal history of Eleuthère Paul du Pont and his family. The material spans from the end of the nineteenth century through the twentieth century. The collection is predominantly textual material and photographic prints having to do with both DuPont Motors, Incorporated and Indian Motorcycle Company administrative and financial correspondence and advertising and publications. Besides business material, the collection includes personal letters between E. Paul du Pont and his siblings and children, and family snapshots and portraits usually taken at their home in Delaware.
E. Paul du Pont papers relating to Squirrel Run Hill and the estates of his parents
E. Paul du Pont (1887-1950), the son of Francis Gurney du Pont (1850-1905) and Elise Simons du Pont (1849-1919), is best known as the manufacturer of the Du Pont automobile. He owned the house Squirrel Run Hill, the former Second Office of E.I. du Pont de Nemours & Company, and the surrounding grounds. This small collection includes papers relating to additions and alterations to Squirrel Run Hill and papers relating to the estates of his parents.
Earl R. Fenstermacher Hercules plant miscellany
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.
Earle E. Coleman bibliography on Pierre Samuel du Pont de Nemours
Earle E. Coleman (1925-2009) was the head of imprints cataloguing at Eleutherian Mills Historical Library. The typescript bibliogrpahy includes collaborative works, English translations, and items in published compilations of papers. Most of the titles and information are in French.
Eastern Advertising Company report on Laco castile soap
The Eastern Advertising Company installed and maintained advertising cards in streetcars in the major cities of New England, particularly on behalf of local merchants carrying national or regional brands. The report contains an analysis of sales of Laco castile soap versus competing brands in drugstores in New England cities.
Eastern Air Lines postcard
Eastern Air Lines operated from 1927 to 1991 and was one of the Big Four
airlines (others included United, Delta, and American) that for almost fifty years dominated commercial airline travel in the United States. This item is a postcard with the illustration of Eastern's Modern DC-4 Silverliner
airplane.
Eastern Store Fixtures Corporation soda fountains and store interiors photographs
The Eastern Store Fixtures Corporation was a manufacturer, supplier, and designer of fixtures and interiors for commercial establishments. The company was founded in or around 1953 by Louis Deitz (1919-2007) and was located at 19-21 South Orange Avenue in Newark, New Jersey. This collection consists of fifty one photographic prints showing soda fountains and store interiors presumably installed or supplied by the corporation.
E.B. Leisenring, Jr., papers
E.B. (Edward Barnes) “Ted” Leisenring Jr. (1926-2011) was the CEO of a fourth-generation family coal-mining business. He was president of Westmoreland Coal from 1961 to 1988, and remained as chairman of the board until 1992. This collection consists of the Philadelphia corporate executive's business and personal papers and his immediate family, with estate papers of his father, mother and paternal grandfather.
E.B. Leisenring, Jr. photographs
E.B. (Edward Barnes) “Ted” Leisenring Jr. (1926-2011) was the CEO of a fourth-generation family coal-mining business. He was president of Westmoreland Coal from 1961 to 1988, and remained as chairman of the board until 1992. This small collection of photographs is from Leisenring’s personal office files, which date between 1954 and 1994. The photographs consist of group and individual portraits, snapshots. The bulk of the material centers around two events: the 1964 Westmoreland Coal Company expansion and the 1970 delegation to the USSR.
E.C. Beetem and Son, Inc. records
The firm of E.C. Beetem & Co. was established in 1901, incorporated as E.C. Beetem & Son, Inc. in 1923, and for a time was one of the leading carpet manufacturers in the United States. The company employed women in the finishing and materials departments, in the office, and at home assembling rag rugs; men were employed as weavers. This collection includes administrative records, correspondence with customers, selling agents, and rag dealers which document marketing strategies and pricing. Also included in this collection are some samples and drawings of rug patterns.
Eddie Dowling and Longwood Garden project oral histories (transcripts)
Longwood Gardens is a series of formal display gardens in Kennett Square, Pennsylvania, that was developed by Pierre S. du Pont (1870-1954) after he purchased the site from the Peirce family in 1906. The collection is comprised of two oral history interview projects. The first is with Eddie Dowling (1889-1976), an actor, screenwriter, playwright, director, producer, songwriter, and composer. The second project is commissioned oral histories with people with remembrances of du Pont and the development of Longwood Gardens.
Eddie W. Foote memoirs
Eddie W. Foote (1858-1932) was a correspondent for Hartford and Springfield newspapers. In 1876, he visited the Centennial Exposition at Philadelphia, after which he wrote a memoir about it as well as a visit to Newport.
Edge Moor Iron Company records
The Edge Moor Iron Company engaged in the manufacture of iron and steel bridges at a plant located on the Delaware River north of Wilmington. The collection is comprised of a limited selection of documents, primarily connected to the liquidation of the company in 1936. It includes plant and property maps, clippings, and deeds and titles covering the property.
Edison Electric Institute Transmission and Distributing Committee minutes
The Edison Electric Institute is the trade association of the electric utility industry. The minutes of the Institute's Transmission and Distributing Committee (1935, 1941-1970) include both business transactions of the committee and professional papers of representatives of member utility companies on a variety of subjects related to the transmission and distribution of electricty.
Edith Marion DeBlois collection of Expo 67 publications and ephemera
Edith Marion DeBlois (1920-2000) was a native Canadian with an interest in foreign travel and a season pass to the Expo 67. Expo 67 was an international exposition that took place in in Montréal, Québec from April 27 to October 29, 1967 to celebrate Canada's centennial. The theme was "Man and his World." These materials were collected by DeBlois while attending Expo 67. This small collection includes many of the official guides and maps issued by the fair, as well as specialized pamphlets dealing with particular themes or exhibits. DeBlois also compiled a series of scrapbooks documenting her attendance at various exhibits and performances.
Edith N. McConnell business records
Edith N. McConnell (1880-1968) was a confectioner and caterer in Wilmington, Delaware from the 1920s through the 1950s. The records consist of a three ledgers, containing business expenses and customer account books dating from 1937 to 1945, and from 1955 to 1956.
Edward G. Jefferson papers
Edward Graham Jefferson (1921-2006) was a research chemist and chief executive officer of E.I. du Pont de Nemours & Company. Jefferson's papers consist of his "personal" business files, and do not include his official correspondence as CEO of the DuPont Company. The papers primarily reflect Jefferson's "Head of State" role at DuPont and his membership on the boards of numerous business, trade, and educational organizations. The papers have been arranged in three series: DuPont Company and personal activities, Outside board memberships, and Speeches.
Edward H. and Josephine A. Kemp Panama Canal travelogue album
Edward Henry Kemp (1868-1948) and Josephine A. Kemp (1868-1941) were commercial photographers and traveling lecturers. The Kemps were best known for their photographic and motion picture travelogues, as well as their work in Camera Craft magazine. In 1912, the Chamber of Commerce invited its members to join an excursion to the Isthmus of Panama, with the San Francisco Chamber of Commerce being the guide in charge of the trip and planning. The San Francisco Chamber chartered the SS Sonoma of the Oceanic Steamship Company from April 25, 1912, to return on May 21, 1912. The album is a travelogue of the SS Sonoma voyage from San Francisco to the construction site of the Panama Canal locks. The images show views of railroad construction, dredges, street views of Balboa, Panama la Vieja, bull fights, and Old Panama City. The album itself does not contain either Kemp's name or other identifying information, however, three of the photographs in the album match photographs that have been positively identified as being taken by the Kemps.
Edward H. Weber collection of railroad timetables
The major portion of a collection of railroad public and employee timetables amassed by railroad enthusiast and historian Edward H. Weber (1934-), best known for his systematic photography of railroad stations and structures. Although the oldest date from the nineteenth century, most cover the period of decline and restructuring of North American passenger service that began in the Depression and accelerated in the years after World War II.
Edward J.S. Seal photographic reproductions
Edward James Shimer Seal (1896-1955) was a farmer and photographer in Chester County, Pennsylvania. This collection contains over 300 photograph prints taken primarily by Seal of Chadds Ford, Pennsylvania, during the first half of the twentieth century. Many of these images offer a glimpse into family and town life in Chadds Ford and Wilmington, Delaware, during the 1920s and 1930s, featuring Seal family members, friends, neighbors, and employees. Other subjects include the 1939 World's Fair in New York, the artists N.C. and Andrew Wyeth, and local bridges and roads.
Edward M. Harrington collection of Aetna Powder Company and DuPont Company material
Edward M. Harrington (1866-1933) was a chemist and expert on blasting cap design. He held several positions at the Aetna Powder Company, eventually becoming superintendent of the dynamite works at Aetna, Indiana. Harrington then went on to work for the DuPont Company at various plants in the Operating Department until his retirement in 1921. Images in this collection are of dynamite and other explosive plants, including Aetna Powder Company plants in Newport, Rhode Island (electric blasting caps) and Aetna, Indiana, and DuPont Company plants in Repauno, New Jersey; Hopwell, Virginia, and many other locations. Photographs show buildings, office and plant interiors, many with workers, employee groups, housing, and recreation.
Edward “Ned” A. Hodge collection of Pusey & Jones Corporation photographs
Edward “Ned” A. Hodge (1896-1978) was the Vice-President of the Pusey & Jones Corp. in charge of engineering and shipbuilding. This small collection consists primarily of photographs showing the exteriors of ships. There are two books which document ship voyages showing photographs alongside text.
Edward Stickel collection of railroadiana
Edward R. Stickel (1928-2008) worked for the Penn Central Transportation Company, Amtrak, and Southeastern Pennsylvania Transportation Authority (SEPTA). His collection consists of copies of official documents relating to the commuter rail operations of SEPTA and its predecessors.
Edwin A. Gee papers
Edwin A. Gee (1920-2013) was trained as a chemical engineer and worked as a metallurgist for the United States Bureau of Mines before joining the DuPont Company in 1948. The papers of Edwin A. Gee are incomplete and represent only a small portion of his work in the Development Department and as a member of the Executive Committee. The surviving records have been arranged in two series that document Gee's involvement in important phases of the company's history: Patent documentation and Diversification and research and development strategy.
E.I. du Pont and Pierre Bauduy litigation notes (photocopies)
Peter Bauduy (1769?-1833) and E.I. du Pont (1771-1834) were partners in several business ventures together, including Du Pont, Bauduy, & Co. (a textile manufacturing firm) and E.I. du Pont de Nemours & Company. The collection contains photocopied notes from Judge Jacob Stout (1765-1855) made during an appeal in the case of E.I. du Pont and Victor du Pont v. Peter Bauduy, et al., cocnerning the sale of certain mill seats on the Brandywine River near Wilmington.
E.I. du Pont de Nemours & Co. gunpowder advertising card
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.
E.I. du Pont de Nemours & Co., Inc. Deepwater Point Works panoramic photographs
The DuPont Company constructed a dye works at Deepwater Point, New Jersey (also called just Deepwater, New Jersey) during World War I to enter the market for dyes left vacant by Germany's absence. This collection consists of fifteen panomaric photographs of views of the Deepwater Point, New Jersey dye works of the DuPont Company, including ground before building started, building exteriors, and a group portrait of employees of the Jackson Laboratory.
E.I. du Pont de Nemours & Co., Inc. dynamite works panoramic photograph
The Louviers dynamite works began production in 1908 and provided explosives primarily for mines in the region. The panoramic photograph shows a view of the DuPont Company dynamite works at Louviers, Colorado, including the magazine area, powder line, and overall view.
E.I. du Pont de Nemours & Co., Inc. Experimental Station and Country Club panoramic photograph
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. The panoramic photograph provides an overview of the DuPont Company Experimental Station and Country Club, outside of Wilmington, Delaware. It shows temporary structures and construction for expansion of the Experimental Station.
E.I. du Pont de Nemours & Co., Inc. Guncotton plant panoramic photographs
The DuPont Company purchased a site near City Point, Virginia on the James River in 1912 in order to build a dynamite plant located closer to the southern market. The panoramic photographs show exteriors of the plant, views of the workers' housing, the town (including the African American section), and a photograph of the Hopewell China Corporation, a post-war reuse of one of the facilities.
E.I. du Pont de Nemours & Co., Inc. Haskell Works panoramic photographs
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.
E.I. du Pont de Nemours & Co., Inc. Jackson and Technical laboratories at the Dye Works panoramic photographs
The Jackson Laboratory and the Technical Laboratory was established by E.I. du Pont de Nemours & Company at its Deepwater, New Jersey, in 1917 and 1920 respectively to manufacture and research dyes. This collection consists of two panoramic photographs of exteriors of the laboratories.
E.I. du Pont de Nemours & Co., Inc. Neoprene B plant panoramic photographs
The Neoprene B plant was located at DuPont's Deepwater Point, New Jersey site, which was later named the Chambers Works. This collection consists of three panoramic photographs showing the construction of the Neoprene B plant.
E.I. du Pont de Nemours & Co., Inc. Old Hickory plant panoramic photographs
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.
E.I. du Pont de Nemours & Co., Inc., Parlin, New Jersey plant panoramic photographs
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.
E.I. du Pont de Nemours & Co., Inc. Penniman shell loading plant panoramic photographs
The DuPont Company acquired a site on the York River in Virginia on which they planned to build a dynamite plant. The U.S. Government took over the property in 1918 and got the DuPont Company to build a shell loading plant instead. These three panoramic photographs show overall views of the shell loading plant at Penniman, Virginia during World War I.
E.I. du Pont de Nemours & Co., Inc. Pompton Lakes panoramic photographs
In 1902 the DuPont Company acquired the Smith Electric Fuze Company and some other properties in the Pompton Lakes, New Jersey area. DuPont continued the manufacture of fuses, blasting caps, and other blasting supplies at the plant, adding a shell plant and other facilities. One panoramic photograph shows an overview of the DuPont Company plant at Pompton Lakes, New Jersey, 1918, and the other is a group portrait of staff, August 25, 1943.
E.I. du Pont de Nemours & Co., Inc. Racine explosive plant engineers panoramic photograph
In 1918, the company opened an additional plant in Racine, Wisconsin to increase the production of smokeless powder to meet the growing demand in order to support the war effort. This panoramic photograph shows a group of engineers outside of the plant.
E.I. du Pont de Nemours & Co., Inc. Repauno Works panoramic photographs
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, by Lammot du Pont (1831-1884), a chemist working for the family business, E.I. du Pont de Nemours & Company, a chemical company which originally produced gunpowder. The panoramic photographs show two views of the dynamite works and workers village at the DuPont Company's Repauno Works.
E.I. du Pont de Nemours & Co., Inc. Spruance plant panoramic photograph
In 1927 the DuPont Company constructed a plant to manufacture viscose rayon. This panoramic photograph depicts an overview of the DuPont Company's Spruance Plant in Richmond, Virginia.
E.I. du Pont de Nemours & Co. International Department records
The Foreign Relations Department of E.I. du Pont de Nemours & Company was first organized on August 1, 1930, for the purpose of improving the exchange of scientific and technical information with DuPont's British counterpart, Imperial Chemical Industries, Ltd. These materials consist of records of the International Finance Division within DuPont International, and more particularly the Division's Vital Records Program and Nylon de Mexico reorganization.
E.I. du Pont de Nemours Co. letter and receipt (photocopies)
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.
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- E.I. du Pont de Nemours & Company. Experimental Station 25
- Du Pont, Sophie Madeleine, 1810-1888 19
- Du Pont, Eleuthère Irénée, 1771-1834 17
- RCA Corporation 17
- Du Pont, H. A. (Henry Algernon), 1838-1926 16
- United States. Navy 16
- Du Pont, Pierre S. (Pierre Samuel), 1870-1954 15
- Joseph Bancroft & Sons Co 15
- 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
- Savery, Thomas H., 1837-1910 13
- E.I. du Pont de Nemours & Company. Textile Fibers Department 12
- Eleutherian Mills (Greenville, Del. : Estate) 12
- Longwood Gardens (Kennett Square, Pa.) 12
- New York World's Fair (1939-1940 : New York, N.Y.) 12
- Centennial Exhibition (1876 : Philadelphia, Pa.) 11
- Jackson Laboratory (E.I. du Pont de Nemours & Company) 11
- Pusey and Jones Company 11
- Carothers, Wallace Hume, 1896-1937 10
- Du Pont, Francis Gurney, 1850-1904 10
- Greenewalt, Crawford H., 1902-1993 10
- Reading Company 10
- World’s Columbian Exposition (1893 : Chicago, Ill.) 10
- Bethlehem Steel Corporation 9
- Du Pont, Henry, 1812-1889 9
- Du Pont, Victor Marie, 1767-1827 9
- Loewy, Raymond, 1893-1986 9
- Penn Central Transportation Company 9
- Pusey & Jones Corporation 9
- Baldwin Locomotive Works 8
- Crowninshield, Louise du Pont, 1877-1958 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. Chestnut Run Laboratories 8
- E.I. du Pont de Nemours & Company. Organic Chemicals Department 8
- Hagley Museum and Library. Library. Oral History Project Office 8
- Hanford Engineer Works 8
- National Association of Manufacturers (U.S.) 8
- Philadelphia & Reading Railroad Co 8
- Radio Corporation of America 8
- Southeastern Pennsylvania Transportation Authority 8
- Du Pont, Alfred I. (Alfred Irénée), 1864-1935 7
- E.I. du Pont de Nemours & Company. Carney's Point Works 7
- E.I. du Pont de Nemours & Company. Engineering Department 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
- International Business Machines Corporation 7
- Maxim, Hudson, 1853-1927 7
- Victor Talking Machine Company 7
- Amtrak 6
- Avon Products, Inc 6
- Brandywine Manufacturers Sunday School 6
- Budd Company 6
- Century of Progress International Exposition (1933-1934 : Chicago, Ill.) 6
- E.I. du Pont de Nemours & Company. Grasselli Chemicals Department 6
- General Electric Company 6
- Lea family 6
- Lehigh Valley Railroad Company 6
- Lukens Steel Company 6
- Manhattan Project (U.S.) 6
- Sperry Rand (Corporation). Univac Division 6
- Spohn, Benjamin (staff) 6
- Thayer, Horace H., 1878-1959 6
- Young, William, 1755-1829 6
- All American Engineering Company 5
- American Telephone and Telegraph Company 5
- Baltimore and Ohio Railroad Company 5
- Bauduy, Peter, 1769-1833 5
- Bauduy, Victorine du Pont, 1792-1861 5
- Cinecraft, Inc 5
- DeMirjian, Charles H., 1925-2021 5
- Du Pont Motors, Incorporated 5
- Du Pont, Alfred Victor, 1798-1856 5
- Du Pont, Irénée, 1876-1963 5
- E.I. du Pont de Nemours Powder Company 5
- General Motors Corporation 5
- Hercules Powder Company 5
- Louisiana Purchase Exposition (1904 : Saint Louis, Mo.) 5
- Massachusetts Institute of Technology 5
- Ramsay, William G. (William Gouverneur), 1866 - 1916 5
- Raskob, John J. (John Jakob), 1879-1950 5
- Remington Arms Company 5
- Smith, Eleuthera du Pont, 1806-1876 5
- Staël, Madame de (Anne-Louise-Germaine), 1766-1817 5
- United States. National Aeronautics and Space Administration 5
- University of Delaware 5
- William Sellers & Co. (Philadelphia, Pa.) 5
- American Car and Foundry Company 4
- American Car and Foundry Company. Jackson & Sharp Plant 4
- American Iron and Steel Institute 4 ∧ less