Showing Collections: 201 - 250 of 1266
Abstract: The Consolidated Rail Corporation (Conrail) was incorporated in October 1974. It was formed under the auspices of the United States Railway Association, a quasi-public agency established for the purpose of solving the problems of bankrupt railroads in the Northeast and Midwest. The Conrail photograph collection consists of a large number of images from its company files, but the majority of the material comes from its predecessor companies: Pennsylvania Railroad and Penn Central Transportation Company. These items are predominanatly composed of photographs, negatives, transparencies, lantern slides, and films.
Abstract: The Radio Corporation of America (renamed RCA Corporation in 1969) was best known for its pioneering radio and television development and manufacturing. This small collection consists of non-RCA material collected by the David Sarnoff Library, as well as clippings relating to the library's closure.
Abstract: Cooper & Hewitt partners were iron businessmen who purchased ironworks, property, and iron mines. In 1845, a rolling mill complex was incorporated as the Trenton Iron Company, and in 1847 iron mines at Andover, New Jersey, were purchased. The records consist of two payroll sheets from 1848, as well as eighty-two inbound letters, mostly from 1849 to 1850. The letters are primarily operating reports from the superintendent of the Andover mine.
Abstract: Consists of the family papers of former DuPont CEO Lammot du Pont Copeland (1905-1983) and his wife Pamela Cunningham Copeland (1906-2001). The Copelands' papers document the lives and interests of a wealthy American couple in the twentieth century. In particular, the papers of Pamela C. Copeland are an important source of information about the public activities of women in the areas of historic preservation, gardening and horticulture, and philanthropy.
Dates: 1637-1998; Majority of material found within 1950-1998
Abstract: Ethel Lippman (1891-1987) and David Sarnoff (1891-1971) were friends in their youth; her parents supposedly objected to their marriage. The collection consists of a few copies of Ethel Lippman's handwritten letters and all of David Sarnoff's replies.
Dates: 1917-1970; Majority of material found within 1950-1970
Abstract: Records collected by Christopher P. Wahmann during his career as a manager in the Operating Department of Amtrak between the mid-1970s and mid-1990s, including Amtrak documents and those of other railroads and commuter agencies over which Amtrak operates or that operate trains over Amtrak's lines.
Dates: 1952-1994; bulk 1982-1994
Abstract: The Craven-McDade family had several family members working in the gunpowder and explosives industry for the E.I. du Pont de Nemours & Company and later the Hercules Powder Company. These papers related to the Craven and McDade family of Henry Clay village in Delaware.
Abstract: Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. The collection consists of photographs and other materials related to Crawford Greenewalt's career with the DuPont Company and his involvement with corporate boards and other business and scientific organizations, etc., such as Boeing, M.I.T., Smithsonian Institution, and Radio Free Europe.
Dates: 1920-1991; bulk 1950-1970
Abstract: Crawford Hallock Greenewalt (1902-1993) was a chemical engineer and the President of the DuPont Company from 1948 to 1962. The collection consists of photographs relating to the career of Crawford H. Greenewalt. The album consists of photographs of a trip Greenewalt made to Argentina in 1956 related to expansion plans for the Ducilo plant. The views were primarily taken at the Buenos Aires airport and at a banquet meeting.
Dates: circa 1927-1965; bulk 1945-1965
Abstract: Crawford Hallock Greenewalt (1902-1993) was a chemical engineer and the President of the DuPont Company from 1948 to 1962. He had a passion for the natural sciences, and combined his love of ornithology with photography. He was especially known for his high speed photographs of hummingbirds. The bulk of the collection consists of nature films shot by Greenewalt, primarily of hummingbirds. The collection is divided into three series: Nature films, DuPont films and Sound recordings.
Abstract: Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. This collection consists of Greenewalt's papers from his time as president and chairman of the board. There is a broad range of external correspondence, internal company communications and reports, presidential working papers, transcripts of speeches, and published articles that make up the collection.
Dates: 1928-1968; Majority of material found within 1942-1968
Abstract: Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. He had a passion for the natural sciences, and combined his love of ornithology with photography. He was especially known for his high-speed photographs of hummingbirds. His ornithological interests included bird songs, the radiance of hummingbird feathers, and the evolution of shapes and sizes of birds in relation to their flight abilities. Greenewalt's personal papers are primarily focused on his retirement years and his avocational interests. The papers document Greenewalt's political activities in the Republican National Committee and include exchanges with many of the leading political and business figures of the day. Of particular significance are the papers describing Greenewalt's work in photography and ornithology, beginning in 1948. These materials trace his research interests in the hummingbird and bird flight and his trips to places like Brazil, Peru, Venezuela, the Antilles, New Guinea, and the Galapagos Islands in order to observe and photograph birds in their natural habitats. Other files describe Greenewalt's work on the visiting committee at the Massachusetts Institute of Technology (1965-1987), which evaluated the school's academic programs.
Abstract: Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. In 1942, when the DuPont Company agreed to participate in the Manhattan Project, Greenewalt was named chief liaison, working with the physicists at the University of Chicago Metallurgical Laboratory, including Arthur Compton (1892-1962) and Enrico Fermi (1901-1954), who were developing techniques for plutonium separation. The collection consists of eight volumes of Greenewalt's diaries, which describe the history of the Manhattan Project and the development of the United States' first atomic bombs that were used to end the Second World War. The diaries describe the technical history of the project, as well as the relationships that developed between scientists.
Abstract: Creed and Company Limited was originally founded as Creed, Bille & Company Limited by Frederick George Creed (1871-1957) and Harald Bille (1879-1916) in 1912 to manufacture and sell telegraphy equipment. In the early 1900s, Creed had invented several machines that facilitated the sending and receiving of Morse code messages. Much of Creed and Company's manufacturing capacity was in Croydon, London, England. These photographs show a group tour of the Creed and Company Limited plant in Croydon on October 14, 1954.
Abstract: The Crofton and Shubrick families were descendants of a prominent French American diplomat and businessman, Victor Marie du Pont (1767-1827), and represent middle-class American women in the mid-to-late nineteenth century. Two generations of women married military men who were stationed across the world. This collection spans three generations of women (Julia du Pont Shubrick, Gabrielle Josephine Shubrick Crofton, and Julia du Pont Crofton Walcutt) from these families and contains correspondence regarding everyday life.
Abstract: These photographs document the abandoned site where the Peoples Railway trolley car passed under the tracks of the Wilmington and Northern Railroad in Rockford Park near the Brandywine Creek. The Peoples Railway Company started in 1900 to bring visitors via electric trolley to the Brandywine Springs Amusement Park outside of Wlimington. The Wilmington and Northern Railroad Company was a branch of the Reading railroad system running in a north-south direction between Wilmington, Delware and Reading, Pennsylvania. Its object was to connect the various industrial plants located along Brandywine Creek with other railroads leading to the west and to the anthracite coal regions.
Abstract: Louise Evelina du Pont (1877-1958) was the daughter of Mr. and Mrs. Henry Algernon du Pont. In 1922 Henry A. du Pont purchased the original family home, Eleutherian Mills, for his daughter who, with her husband, began restoring the house and building a Renaissance garden adjoining it. This collection consists of twelve black and white photographs of Louise and Frank Crowninshield's garden at Eleutherian Mills, apparently taken by Horace Dugdale during a visit, circa 1938. Also two photographs of the abandon Hagley House which stood nearby.
Abstract: Cinecraft Productions was founded in 1939 by Ray Culley (1904-1983) and Betty Culley (1914-2016) in Cleveland, Ohio. Ray Culley served as president of the company until his retirement in 1970. During his tenure, Cinecraft specialized in commercial productions for business, industry, trade organizations, and, in some cases, government agencies and social service organizations. Cinecraft was one among hundreds of production houses in the U.S. during the middle decades of the 20th century that specialized in motion pictures commonly referred to as non-theatrical, industrial, business and/or sponsored films. This collection documents the history of the company, the people that worked there, and some of the company's film and educational projects. The collection has been arranged into three series: Company and personnel history; Films; and Educational materials. The materials date from 1937 to 2016 with a bulk of the collection dating from 1937 to 1975.
Dates: 1937-2016; bulk 1937-1975
Abstract: Members of the Curtis family were paper manufacturers at Newton Lower Falls, Massachusetts, and Newark, Delaware. Alfred A. Curtis (1848-1945) was president of the family paper company from 1911 to 1926. The papers consist of personal and family items collected by Alfred A. Curtis. Included in the collection is a scrapbook of photographs and newspaper clippings, a number of loose papers and clippings, and several histories of the Curtis Paper Company. The papers also contain some letters and notes of Alfred A. Curtis, many connected with genealogy and family history.
Abstract: The Curtis Paper Company was a small producer specializing in high-quality paper located in Newark, Delaware. Their records consist primarily of account books, with some organization papers, deeds, and correspondence.
Abstract: The Curtis Paper Company was a small producer specializing in high-quality paper located in Newark, Delaware. This small collection of records consists of incorporation papers from 1911 and financial reports dating from 1941 to 1946. There are two agreements and two letters related to the sale of the company from Alfred A. Curtis (1848-1945) to Charles M. Levis (1859-1941) and Herbert W. Mason (1882-1939) in 1926.
Abstract: For what appears a brief moment in early aviation history, the Wright Brothers competed their airplanes in public demonstrations. The Curtiss Exhibition Co.'s Glenn Curtiss piloted one of his biplanes, and Walter Brookins piloted a Wright biplane. Three photos show the Curtiss biplane on the beach before take-off with a Boardwalk crowd nearby. Two others show the Curtiss and Wright airplanes separately in flight.
Abstract: Windsor Farms is one of Richmond's first planned neighborhood, primarily of Colonial Revival design. Architects included Duncan Lee, William Lawrence Bottomley, and C.W. Huff Jr. This collection includes plans, elevations, details, and typed specifications for a house built for Eugene E. du Pont (1914-1995) by architect C.W. Huff Jr.
Abstract: Cyril C. Thompson (1892-1976) had a long career in the accounting, management and public relations sides of the aviation industry, joining near the beginning of commercial aviation in 1928 and retiring just as the era of commercial jets began. Thompson was as an executive of United Air Lines for eighteen years, and later an airport planner, consultant, and prolific author and speaker. The papers of Cyril C. Thompson consist of a selection of items that he retained as mementos of the different stages of his career, plus materials and drafts for an unpublished biography of Idaho Senator William E. Borah and a never-completed personal history of United Air Lines on which he was working at the time of his death.
Dates: 1921-1976; Majority of material found within 1928-1955
Abstract: This collection represents materials collected by Cyrus J. Sharer for his research on the iron and steel industry and particularly the world iron ore trade. The main emphasis is on the iron ore trade of the Great Lakes. The period covered, mid-1960s to mid-1980s, was one of crisis and reorganization in the American steel industry and in the lake ore trade, and this is reflected in the records.
Abstract: The Dallin Aerial Surveys Company produced aerial photographs for newspapers, businesses, municipalities, and private individuals. The company was founded in 1924 by Colonel J. (John) Victor Dallin (1897-1991), a Royal Flying Corps-trained pilot who served in World War One. During WWI he became involved in aerial photography on a reconnaissance mission during the latter stages of the war. This collection consists of over 13,000 aerial photographs primarily of the Mid-Atlantic region taken between 1925 and 1941. The company made vertical and oblique aerial photographs of factories, private estates, schools, country clubs, towns, airports, rivers, and many other sites and some news events of the day. The subject with the largest number of views is the city of Philadelphia.
Abstract: Daniel Cauffiel (1867-1930) was a merchant, real estate developer, and entrepreneur of Johnstown, Pennsylvania and Wilmington, Delaware. The Daniel Cauffiel papers depict his career as a small business entrepreneur and as an agent or employee of the du Pont family and in their various businesses.
Abstract: Daniel Rochford (1900-1989) spent the bulk of his career as a publicist in the Employee Relations Department of the Standard Oil Company. Before joining Standard Oil in 1944, he worked a series of jobs trying to utilize his skills in publicity and public relations throughout the 1930s and early 1940s. Rochford's papers are a mix of business and personal items, assembled over the course of his varied career.
Abstract: Science and Corporate Strategy is a scholarly history of Research and Development at the DuPont Company authored by David A. Hounshell (1950-) and John Kenly Smith (1951-). The collection consists of research files compiled by Hounshell Smith for the purpose of writing the book. Research files include copies of correspondence, articles, reports, patents, chronologies, organizational charts, and contracts from the DuPont Company from 1903 though 1980.
Abstract: David Harrison Cope (1913-2001) held a lifelong interest in railroads and, in particular, steam locomotives. He began collecting photographs at an early age. This collection primarily consists of black and white photographs and negatives of steam locomotives from a variety of railroads, but it includes some other rolling stock, station photos, related railroad items such as coaling stations and some street railroads, interurbans, and trolley images.
Abstract: David Sarnoff (1891-1971) was president of the Radio Corporation of America (RCA), one of the country’s leading manufacturers and vendors of radios, phonographs, and televisions. He established the David Sarnoff Library, to house his private papers and professional records. The collections developed further with the acquisition of papers of former RCA executives, scientists, and engineers. There are twenty collections from the David Sarnoff Library. Cumulatively it includes thousands of linear feet of documents, reports, photographs, films, and publications detailing the rise and fall of the Radio Corporation of America (RCA) and of Sarnoff, its longtime leader. The list of links in this resource will take you to the finding aids for collections within the David Sarnoff Library at Hagley.
Abstract: The David Sarnoff Library was established at the David Sarnoff Research Center in Princeton, New Jersey in 1967 as a showcase for the accomplishments of long-time Radio Corporation of America (RCA) head David Sarnoff. After five years of activity, the Library was largely moribund until the arrival of Alex Magoun as Curator (later Executive Director) in 1998. Under his leadership, the Library expanded its mission to include the history of RCA in general and the David Sarnoff Research Center in particular. Due to lack of funding, the David Sarnoff Library closed in 2009. The collection documents the creation and evolution of the Library through board of directors records, correspondence, reports, oral histories, and photographs.
Abstract: David Sarnoff (1891-1971) was the iconic leader of the Radio Corporation of America (RCA) for most of the company's history. For many years the only Jewish executive in the communications field, Sarnoff was highly influential in the development of radio and television. The focus of the David Sarnoff papers is the original David Sarnoff Collection assembled by Sarnoff to celebrate his career. However, the papers also include the extensive photographic, publicity, and administrative files created by his staff at RCA and a substantial audiovisual component.
Abstract: The David Sarnoff Research Center (DSRC) in Princeton, New Jersey was the central research organization for the Radio Corporation of America (RCA) from 1942 to 1987. Following GE’s acquisition of RCA in 1986, the DSRC was donated to SRI International as a contract research laboratory. Renamed the Sarnoff Corporation in 1997, it was integrated into SRI in 2011. The records document the pioneering research of its scientists and trace the history of the organization from its establishment into the twenty-first century.
Dates: 1899-2008; Majority of material found within 1942-1995
Abstract: David Thomas (1794-1882) was a Pennsylvania iron manufacturer who introduced into the United States the use of anthracite coal in the manufacture of pig iron. The papers consist of typed transcripts twelve letters, the bulk of which were sent by David Thomas to his niece, Jane Harris Bowen, and nephew, David Harris, in Wales. The letters deal primarily with family news, but Thomas also writes about general business conditions, the level of prices and wages and the Civil War.
Abstract: David Thomas (1794-1882) was a Pennsylvania iron manufacturer who introduced into the United States the use of anthracite coal in the manufacture of pig iron. The papers consist of twenty-eight letters received by Thomas between May 1839 and 1842. They contain important new information on one of the textbook examples of nineteenth century technology transfer.
Abstract: The D.E. Jones Company, and its successor, Edith N. McConnell, were caterers and confectioners in Wilmington, Delaware. The records consist of recipe books, account books, and ledgers that identify individual and corporate customers, and describe types of food prepared for and purchased by clients, who were generally entertaining guests.
Abstract: The Chicago Railroad Fair was the first exposition after the Second World War and the last exposition that featured railroads as its theme. It marked the centennial of the arrival of railroads to Chicago and their role in westward expansion. This is a postcard of the narrow gauge Deadwood Central train that carried visitors around the fairground.
Abstract: Oliver Canby (1716-1754) was a miller on the Brandywine Creek. This collection of deeds and indentures documents the acquisition of mills or mill seats, and other lands near the Brandywine Creek in Wilmington, Delaware by the Canby family. This collection was in the possession and care of the Canby family until it was given to Hagley Museum and Library in 2011 by a descendant of Oliver Canby.
Dates: 1719-1855; Majority of material found within 1790-1855
Abstract: The Delaware and Bound Brook Railroad Company was incorporated in 1874, for the purpose of forming a second railroad route between the cities of New York and Philadelphia. Their records consist primarily of basic corporate documents such as minutes, account books, annual reports to the I.C.C., and agreements.
Abstract: The Delaware Coach Company was originally incorporated as the Wilmington & Philadelphia Traction Company on June 25, 1910, and operated an electric street railway line from Wilmington, Delaware, to Chester, Pennsylvania, and to Philadelphia. Throughout the early twentieth century, the company purchased stock in and leased numerous electric railway, transportation, and utilities companies in the Wilmington and Chester areas. In 1941, it changed its name to the Delaware Coach Company as trackless trolleys and buses replaced electric streetcars. Included are official documents and correspondence; personnel and financial records; public relations files; land deeds; legislation; labor agreements and contracts; equipment, fare, and route policies; ordinances; minute books, and other miscellaneous material created by Delaware Coach and its predecessor electric streetcar companies.
Dates: 1814-1973, bulk 1940-1966
Abstract: The Delaware Construction Company was a building company, constructing residential houses in downtown Wilmington, Delaware. It was founded in 1909 as a subsidiary of the National Real Estate Trust Company, which provided loans and financing for the properties. This small collection consists of five blueprints of houses by E. Olney Sherman, dated 1910 for Delaware Construction Co.
Abstract: Horace Holden Thayer, Jr. (1878-1959) was a naval architect, mechinical engineer, and businessman. Between 1909 and 1914 Thayer worked for the Delaware Construction Company which was a building company, constructing residential homes in downtown Wilmington, Delaware. This collection contains photographs of fifteen homes taken between 1910 and 1914. The images are of exterior views only.
Dates: circa 1910-1914
Collection — Box: GL 1
Abstract: St. Andrew's congregation was founded in 1829 in Wilmington, Delaware. This collection contains two Delaware Engagement Calendars, "Historical Edition 1638-1840" and "Historical Edition 1840-1905" for calendar years 1958 and 1959 respectively.
Dates: 1958; 1959
Abstract: The Delaware, Lackawanna & Western Railroad was one of the largest and most prosperous anthracite mining and transporting companies in Pennsylvania.Their records consist of minutes of the DL&W and its two direct predecessors.
Abstract: The Delaware, Lackawanna & Western (DL&W) Railroad was one of the largest and most prosperous anthracite transporting and mining companies in Pennsylvania. This collection consists of dated and undated views of a boiler, breakers, collieries, fan houses, hoist, mule barns, pumps, shafts, steam plant, tunnels and an electric power plant in the anthracite mining areas in Lackawanna and Luzerne Counties of eastern Pennsylvania.
Abstract: This collection is three photographs of the razing of Delaware Memorial Hospital. When originally founded in 1887, it was called Homeopathic Hospital since that was the branch of medicine that was practiced there. In 1940, it was renamed Memorial Hospital. It continued to serve the public also providing allopathic care until it was razed in 1985.
Abstract: This item is a map of Delaware Park racetrack area showing property boundaries. Parking areas are identified. Buildings are numerically coded, but there is no corresponding key. William duPont, Jr. and Donald P. Ross designed and built Delaware Park Racetrack. Phillip T. Harris of Media, Pennsylvania was hired as the architectural engineer. The facility opened on June 26, 1937. Although the park closed briefly during the 1980s, over the years, it has expanded to include a full-service casino and other amenities
Abstract: Pierre S. du Pont incorporated the Delaware School Auxiliary Association in 1919 to finance the construction of new school buildings throughout Delaware. Between 1918 and 1940 he donated $5,000,000 to build some 120 schools. This collection contains photographs, almost all exterior, of 114 public elementary and secondary schools in Delaware.
Abstract: Aerial view showing crowded fairgrounds. The Delaware State Fair began as the Kent and Sussex County Fair in 1920, and is now known as the Delaware State Fair. 1928 was the last year the Delaware state fair was held at the Elsmere site.
Dates: circa 1925-1928
- Audiovisual Collections 673
- Manuscripts and Archives 591
- Published Collections 2
- Correspondence 145
- Railroads 106
- Advertisements 97
- Gunpowder industry 65
- Exhibitions 62
- Chemical industry 61
- Explosives industry 57
- Financial statements 42
- Social history 42
- Exhibition buildings 39
- Research, Industrial 39
- Textile industry 39
- Steel industry and trade 38
- Portraits 37
- Ephemera 36
- Electronic industries 34
- Postcards 34
- Iron industry and trade 33
- Group portraits 32
- Ships 32
- Scrapbooks 31
- Textile fibers, Synthetic 31
- Wilmington (Del.) 31
- Photograph albums 30
- Construction projects 29
- Factories 29
- Aeronautics 28
- Panoramic photographs 28
- Patents 28
- Marketing 27
- Railroads -- Rolling stock 27
- Reports 27
- Testing laboratories 26
- World War, 1939-1945 26
- Genealogies 24
- Industrial design 24
- Minutes 24
- Account books 23
- Industrial chemists 23
- Inventors 23
- Planographic prints 23
- Du Pont family -- Homes and haunts 22
- Papermaking 22
- Automobile industry and trade 21
- Weapons industry -- Employees 21
- Aerial photographs 20
- Coal mines and mining 20
- Investments 20
- Packaging -- Design 20
- Diaries 19
- Domestic relations 19
- Posters 19
- Powder mills 19
- Railroad stations 19
- Blast furnaces 18
- Business and politics 18
- Chemical plants 18
- Dyes and dyeing 18
- Industrial safety 18
- Pennsylvania 18
- Sales promotion 18
- Steel-works 18
- Iron and steel workers 17
- Trade associations 17
- Biography 16
- Gunpowder, Smokeless 16
- Historic sites 16
- Industrial housing 16
- United States. Navy -- Officers 16
- Finishes and finishing 15
- Industrial films 15
- Maps 15
- Oral histories 15
- Philadelphia (Pa.) 15
- Railroads -- Rolling stock -- Design and construction 15
- Technical drawings 15
- World War, 1914-1918 15
- Commerce 14
- Computer industry 14
- Gardens 14
- Railroads -- Buildings and structures 14
- Television 14
- Wages 14
- Airplanes 13
- Banks and banking 13
- Dwellings 13
- Electric industries 13
- Laboratory notebooks 13
- Machine-tools 13
- Mechanical engineering 13
- Notebooks 13
- Paper mills 13
- Papermaking machinery 13
- Steam locomotives 13
- Textile factories 13
- Glass negatives 12
- Industrial buildings 12
- Industrial relations 12
- Nylon 12
- Railroads -- Employees 12 ∧ less
- English 1241
- French 27
- German 3
- Italian 2
- Spanish; Castilian 1
- E.I. du Pont de Nemours & Company 142
- Du Pont family 90
- Unknown 53
- Pennsylvania Railroad 36
- Du Pont, Samuel Francis, 1803-1865 30
- Du Pont de Nemours, Pierre Samuel, 1739-1817 24
- E.I. du Pont de Nemours & Company. Experimental Station 22
- RCA Corporation 18
- United States. Navy 16
- Dick, John A., 1879-1972 14
- New York World's Fair (1964-1965 : New York, N.Y.) 14
- New York World's Fair (1939-1940 : New York, N.Y.) 12
- Savery, Thomas H., 1837-1910 12
- World’s Columbian Exposition (1893 : Chicago, Ill.) 10
- Carothers, Wallace Hume, 1896-1937 9
- Du Pont, Eleuthère Irénée, 1771-1834 9
- Du Pont, Pierre S. (Pierre Samuel), 1870-1954 9
- Eleutherian Mills (Greenville, Del. : Estate) 9
- Greenewalt, Crawford H., 1902-1993 9
- Jackson Laboratory (E.I. du Pont de Nemours & Company) 9
- Loewy, Raymond, 1893-1986 9
- Pusey and Jones Company 9
- Baldwin Locomotive Works 8
- Bethlehem Steel Corporation 8
- Centennial Exhibition (1876 : Philadelphia, Pa.) 8
- Joseph Bancroft & Sons Co 8
- Longwood Gardens (Kennett Square, Pa.) 8
- Pusey & Jones Corporation 8
- Reading Company 8
- E.I. du Pont de Nemours & Company. Chestnut Run Laboratories 7
- E.I. du Pont de Nemours & Company. Organic Chemicals Department 7
- E.I. du Pont de Nemours & Company. Pioneering Research Laboratory 7
- E.I. du Pont de Nemours & Company. Textile Fibers Department 7
- Gentieu, Pierre A., 1842-1930 7
- Gilpin, Joshua, 1765-1841 7
- Hagley Museum and Library 7
- Hanford Engineer Works 7
- Philadelphia & Reading Railroad Co 7
- Southeastern Pennsylvania Transportation Authority 7
- Amtrak 6
- Century of Progress International Exposition (1933-1934 : Chicago, Ill.) 6
- Crowninshield, Louise du Pont, 1877-1958 6
- E.I. du Pont de Nemours & Company. Carney's Point Works 6
- E.I. du Pont de Nemours & Company. Central Research and Development Department 6
- General Electric Company 6
- International Business Machines Corporation 6
- Lea family 6
- Lehigh Valley Railroad Company 6
- Maxim, Hudson, 1853-1927 6
- Radio Corporation of America 6
- Victor Talking Machine Company 6
- Young, William, 1755-1829 6
- Baltimore and Ohio Railroad Company 5
- Brandywine Manufacturers Sunday School 5
- Budd Company 5
- DeMirjian, Charles H., 1925- 5
- Du Pont, Alfred I. (Alfred Irénée), 1864-1935 5
- Du Pont, Irénée, 1876-1963 5
- Du Pont, Victor Marie, 1767-1827 5
- E.I. du Pont de Nemours & Company. Brandywine Works 5
- E.I. du Pont de Nemours & Company. Hagley Yard 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
- Manhattan Project (U.S.) 5
- National Association of Manufacturers (U.S.) 5
- Penn Central Transportation Company 5
- Ramsay, William G. (William Gouverneur), 1866 - 1916 5
- Remington Arms Company 5
- University of Delaware 5
- All American Engineering Company 4
- American Car and Foundry Company 4
- American Iron and Steel Institute 4
- American Telephone and Telegraph Company 4
- Bethlehem Steel Company 4
- Brandywine Hundred (Del.) 4
- Central Railroad of New Jersey 4
- ConRail 4
- Du Pont, Richard C. (Richard Chichester), 1911-1943 4
- Du Pont, Sophie Madeleine, 1810-1888 4
- Du Pont, T. Coleman (Thomas Coleman), 1863-1930 4
- E.I. du Pont de Nemours & Company. Elastomer Chemicals Department 4
- E.I. du Pont de Nemours & Company. Engineering Department 4
- E.I. du Pont de Nemours Powder Company 4
- Jackson and Sharp Company 4
- Joseph E. Seagram and Sons, Inc 4
- Kwolek, Stephanie, 1923-2014 4
- Lukens Steel Company 4
- Massachusetts Institute of Technology 4
- Midvale Steel and Ordnance Company 4
- New York Exhibition of the Industry of All Nations (1853-1854 : New York, N.Y.) 4
- Pedersen, Charles J., 1904-1989 4
- Radio Corporation of America. RCA Victor Division 4
- Richardson, George A., 1886-1976 4
- Savery, William H., 1865-1949 4
- Sperry Rand (Corporation). Univac Division 4
- Spruance, William C. (William Corbit), 1873-1935 4
- Thayer, Horace H., 1878-1959 4
- Watson, Robert B. 4 ∧ less