Showing Collections: 901 - 950 of 1266
Abstract: The Provident Mutual Life Insurance Company was organized by a group of Philadelphia Quakers in 1865, and by World War I it had become one of the largest life insurance companies in the country with a strong presence in the New York and Boston markets. The records of the Provident Mutual Insurance Company of Philadelphia are a collection of fragments assembled by the Advertising Department in connection with the company's centennial history.
Abstract: P.S. du Pont (1870-1954) and Louise du Pont Crowninshield (1877-1958) were second counsins and both had an interest in preservation. In the letter, du Pont suggests Eleutherian Mills and Hagley property be preserved as a historic site.
Dates: 1950 September 14
Abstract: Pierre Samuel "P.S." du Pont (1870-1954) was an industrialist, entrepreneur, and philanthropist. He was president of E.I. du Pont de Nemours & Co. from 1915 to 1919 and chairman of the board from 1919 to 1940. P.S. du Pont was the great grandson of Eleuthere Irenee du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, and the great-great-grandson and namesake of the French economist, Pierre Samuel du Pont de Nemours (1739-1817). du Pont's personal life is well documented by the photographic collection he left, and it followed certain themes. The greatest of these may be horticultural interests which developed during his creation of the celebrated Longwood Gardens in Kennett Square, Pennsylvania, where he lived. du Pont made many foreign and domestic journeys and recorded his travels. His large extended family is included in this collection. This collection is organized into seven series: Longwood Gardens; Individuals and families; Groups and organizations; E.I. du Pont de Nemours & Company; Trips and vacations; Places; and Culture, society, and service.
Dates: 1700s-1991; Majority of material found in 1860-1954
Abstract: The pulp keg mill was built around 1904 to manufacture an experimental design of black and smokeless powder container made essentially from paper. This album contains photographic prints of the construction of the pulp keg mill in the Hagley Yard of E.I. du Pont de Nemours & Co. near Wilmington, Delaware around 1902 through 1905.
Dates: circa 1902-1905
Abstract: The Joseph Bancroft & Sons Company operated cotton textile mills in Wilmington, Delaware, where they manufactured, bleached, dyed, and finished a variety of cotton-made goods. The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. This collection consists of eleven small notebooks from the two companies regarding their work.
Abstract: The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. This collection includes the files of John Biggs III (1927-), attorney, who oversaw the bankruptcy proceedings and dissolvement of the company.
Abstract: The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. This collection includes nine letters of correspondence to the Pusey & Jones Company and Horace H. Thayer (1878-1959), from J.N. Davis, and from the Pulp and Paper Magazine.
Abstract: The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. The collection primarily contains correspondence between Horace H. Thayer Jr. (1878-1959) and Thomas H. Savery (1837-1910) regarding matters of importance to the company.
Abstract: The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. This collection contains miscellaneous material from the company including financial statements, calling cards, memoranda, and correspondence from Thomas H. Savery (Sr. and Jr.), Eugen Fullner, and A.G. Paine.
Abstract: The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. This collection contains a minute book and account book of the Trustees of the Pusey & Jones Corporation employees' retirement plan trust fund. It also includes other material kept by Warren D. Walker (1894-1969), one of the last executives for the company.
Dates: 1938-1968; Majority of material found within 1948-1960
Abstract: The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. The collection is a plat of the property around Pusey and Jones Company plant in Wilmington, Delaware.
Dates: 1918 July 8
Abstract: J. Marsh Music, Fancy and Variety store was located on 117 Market Street in Wilmington, Delaware during the 1850s. The store sold, repaired and tuned instruments, as well as selling sheet music. This sheet music cover contains a black and white lithograph of the J. Marsh Wilmington, Delaware storefront, with people on the side walk, also showing musical instruments in the windows.
Abstract: Quaker Lace Company was founded by Joseph H. Bromley (1800-1883) in Philadelphia, Pennsylvania in 1894. The firm was well known for manufacturing fine lace tablecloths, and during the 1950s, the White House was a customer. Various independent New England silversmiths came together and formed the International Silver Company in 1898. This collection includes three photographs of Quaker Lace tablecloths with one of them accompanied by a letter from the White House. Another photograph is of silverplate and stainless forks along with a press release from the International Silver Company.
Dates: 1953; circa 1970
Abstract: The Quaker Lace Company manufactured Nottingham lace and was one of the textile firms founded by John Bromley (1800-1883) and his seven sons. The records represent a fraction of the total Quaker Lace archive which was salvaged from the 4th and Lehigh mill during the liquidation of the company. The collection is arranged into seven series: General administrative files and correspondence; Sale literature; Advertising and promotional materials; Production records; Legal records; Financial records; and Tax records.
Abstract: Quarrying is the act of extracting natural stones to use in building materials. Throughout the 1920s quarries were the largest employers of African Americans. This collection consists of two panoramic photographs of unidentified quarries, one with workers, one without.
Dates: circa 1920
Abstract: Richard Douglas Caney (1918-1994) was a chemical engineer with E.I. du Pont de Nemours & Company, working in the Explosives Department on the Manhattan Project. To remember his participation in the Manhattan Project, Caney prepared a scapbook of newspaper clippings of articles that flooded the media after the atomic bombs were dropped and the secrecy around the project ended.
Abstract: Radio Corporation of America (RCA) was incorporated in 1919, entered the broadcasting field in July 1921 and shortly thereafter began to sell home broadcasting equipment manufactured by GE and Westinghouse. The collection consists of photographs and negatives relating to Radio Corporation of America (RCA), the Victor Talking Machine Company, which was purchased by RCA in 1929, and the RCA-Victor Division of Radio Corporation of America.
Dates: circa 1878-1960
Abstract: For over fifty years the Radio Corporation of America (RCA) was one of the country's leading manufacturers and vendors of radios, phonographs, televisions, and a wide array of consumer and military electronics products. This collection contains the records from the Secretary's Office of the Victor Talking Machine Company and its successors RCA Victor Company, Inc., and Radio Corporation of America's RCA Victor Division. They consist of minutes of the Executive and Management Committees, an internal annual report and two contract files for supplying sound equipment to movie studios.
Abstract: The Pennsylvania Railroad (PRR) was chartered in 1846 to completing an all-rail road across the state. Collection consists of three unidentified photographs of stone arched railroad bridges, probably on the Pennsylvania railroad.
Dates: circa 1900
Abstract: Collectors of railroad memorabilia often also collected postcards. Railroad postcards generally picture stations, engines, bridges, route scenery, railcar interiors, and accidents. Some collectors sought specific railroads. This collection is over a thousand postcards related to railroads. The collection has been arranged into two series: Railroad stations and Railroad cars and trains. This is an artificial collection assembled from various donors.
Abstract: William Gouverneur Ramsay (1866-1916) was a civil engineer for railroads and explosives corporations, including Repauno Chemical Company, Great Northern, and DuPont Company. His wife, Caroline “Lena” Johnston Canby (1872-1958) was interested in cultural and educational institutions and traveled extensively. The Ramsay family papers primarily consist of William G. Ramsay's personal and business papers, as well as his family's personal papers which primarily consist of correspondence, much of it between William Ramsay and Lena Ramsay prior to and after their marriage. the letters describe social life in Wilmington, literature, courtship and marriage, household administration, family life, child rearing and health.
Abstract: Raymond Loewy (1893–1986) was one of the most well know industrial designers during the middle decades of the twentieth century. This collections consist of the Loewy's personal papers, business records, and materials generated and maintained by Loewy's New York Public Relations Department.
Abstract: Raymond Loewy (1893–1986) was one of the most well known industrial designers during the middle decades of the twentieth century. In 1934, he signed a contract with the Pennsylvania Railroad that launched a two-decade relationship with the "Standard Railroad of the World." Loewy's work for the Pennsy did much to establish his reputation as the leading figure in the century's most noteworthy American design style: streamlining. This collection consists of twelve presentation renderings executed in tempera on illustration board. The mats bear Loewy's signature, although the work was actually executed by others. The renderings generally conform, with slight variations, to photographs that show the work as actually built.
Abstract: Raymond Loewy (1893–1986) was one of the most well know industrial designers during the middle decades of the twentieth century. This collection is composed of images of design work Loewy and his firm conducted for corporate American and foreign clients; Loewy's personal photographs; and his speeches and interviews.
Dates: 1905-1980; Majority of material found within 1935-1974
Abstract: Raymond Lowey (1893–1986) began his career in America as a fashion illustrator before moving into industrial design. These are reproductions of advertisements copied from Vogue magazine for Bonwit Teller, Saks Fifth Avenue, Delman Shoe Salon and I. Miller shoe stores, and Kayser textiles and hosiery.
Abstract: Raymond Loewy (1893–1986) was one of the most well known industrial designers during the middle decades of the twentieth century. Transportation, particularly automobiles, was always one of Loewy's passions. This is an interior design rendering for a Greyhound bus. The drawing was produced by an unidentified artist in Raymond Loewy's office, not by Loewy himself.
Dates: circa 1939
Abstract: Raymond Loewy (1893–1986) was one of the most well know industrial designers during the middle decades of the twentieth century. This collection consists of two sets of eight lithographs and one serigraph designed by Raymond Loewy, and printed at The American Atelier in New York City. Prints are generally transportation-themed, and show products created by Loewy's design firm.
Abstract: Raymond Loewy (1893–1986) was one of the most well know industrial designers during the middle decades of the twentieth century. The collection documents Loewy's product designs and includes advertisements, postcards, product brochures, publications, photographs, and artifacts.
Abstract: The RCA Astro-Electronics Division (AED) led RCA’s research and development efforts in space technology from the beginning of the space race to the acquisition of RCA by GE in 1986. The records consist primarily of the papers of scientists Bert Sheffield, Max Mesner, and Charles Vose documenting RCA’s pioneering research. In addition, the Art Gompper Astro Print Shop collection provides insight into the administrative and promotional side of AED.
Abstract: The RCA Camden plant was originally established under the Victor Talking Machine Company in 1907. In 1929, the Radio Corporation of America acquired the Victor Talking Machine Company and soon made Camden the center of its own research, development, and manufacturing. Camden remained the company's primary advanced development site until GE acquired RCA in 1986. The records document RCA’s work in the space program, electron microscopy, nuclear fusion, and other fields through research records, correspondence, reports, photographs and films.
Dates: circa 1913-2006
Abstract: For over fifty years the Radio Corporation of America (RCA) was one of the country's leading manufacturers and vendors of radios, phonographs, televisions, and a wide array of consumer and military electronics products. The Radio Corporation of America was incorporated in Delaware on October 17, 1919, and changed its name to RCA Corporation on May 9, 1969. This collection is primarily made up of moving images and sound recordings collected by the David Sarnoff Research Library relating to the RCA corporation dating from 1953 to 2009. There is a set of photographs related to the Nippon Television Network and two photograph albums, one of 30 Rockefeller Center and the other containing waveform and photo-radio equipment. This collection is organized into eight series: Broadcast programming, Communications, Events, History, Meetings, Popular recordings, Reference materials, and Nippon Television Network.
Abstract: RCA’s plant in Harrison, New Jersey was (originally founded in 1882) was acquired by RCA in 1930 and was the company's primary producer of receiving tubes for consumer, industrial, and defense electronics until the plant closed in 1976. The records consist primarily of the papers of engineers Ralph R. Fichtl (1918-2014) and Otto H. Schade, Sr. (1903-1981) on television and receiving tube development. Files include reports, ephemera, photographs, patents, and correspondence on their work and RCA Harrison in general.
Abstract: The Missile and Surface Radar Division (MSRD) of the Radio Corporation of America operated as a primary government and military defense contractor from 1953 to 1986, developing and implementing advanced radar systems. The photographs in the collection depict instrumentation, radar equipment, control equipment, and research facilities at both the MSRD and the Navy AEGIS Combat System Engineering Deveopment Site in Moorestown, New Jersey.
Abstract: The RCA News and Information Department served a public affairs role for RCA corporate headquarters at Rockefeller Center in New York City. The collection contains photographs and negatives created or commissioned by RCA that document much of RCA’s history and activities. Many of the photographs were organized by the News and Information Department into subjects that cover the history of radio, television, communications, and consumer electronics, with a particular emphasis on RCA”s role in that history. Additional photographs are grouped by RCA division and document their specific achievements, with the RCA laboratories being especially prominent. This collection also contains a large number of photographic negatives that were taken by the public relations firm, Carl Byoir & Associates, which showcase many of RCA’s products, events, and facilities.
Dates: 1860-1985; Majority of material found within 1900-1983
Abstract: The Radio Corporation of America (renamed RCA Corporation in 1969) was best known for its pioneering radio and television development and manufacturing. In addition to consumer electronics, RCA was a major player in the development of electronics for industrial and military applications. The collection contains extensive documentation of RCA’s consumer and industrial products and components. Files include manuals, technical data, advertisements, technical bulletins, catalogs, and training materials.
Abstract: The Radio Corporation of America (renamed RCA Corporation in 1969) was best known for its pioneering radio and television development and manufacturing. In addition to consumer electronics, RCA was a major player in the development of electronics for industrial and military applications. The collection contains promotional and technical publications, including brochures, scientific journal articles, and serials; which document the activities of RCA and its successors.
Abstract: The RCA Solid State Division (SSD) was responsible for leading RCA’s research, development, and manufacturing in semiconductors, integrated circuits, and optoelectronics. The records consist of the papers of scientists and administrators from the division’s facilities in Somerville, New Jersey and Findlay, Ohio.
Abstract: The Radio Corporation of America (renamed RCA Corporation in 1969) was best known for its pioneering radio and television development and manufacturing. In addition to consumer electronics, RCA was a major player in the development of electronics for industrial and military applications. The RCA technical reports contain thousands of detailed scientific reports on RCA’s research and development in electronics. Most were created for internal use, but contract proposals and reports for nearly 700 different contract projects are also included.
Abstract: For over fifty years the Radio Corporation of America (RCA) was one of the country's leading manufacturers and vendors of radios, phonographs, televisions, and a wide array of consumer and military electronics products. The records of the RCA Corporation consist of three series: Secretary's files; B.L. Aldridge files; and the Camden Technical Library files. The collection is largely RCA technical reports, standards, engineering notebooks, manuals and miscellaneous publications. The Secretary's files document the formation of RCA. Aldridge's files deal almost entirely with the history of the Victor Talking Machine Company, RCA-Victor and the Camden Plant.
Dates: 1887-1983; Majority of material found within 1914-1968
Abstract: The Radio Corporation of America (RCA)’s Picture Tube Division, later known as the Video Component and Display Division, was headquartered at a research and production facility in Lancaster, Pennsylvania. In 1987, the French firm Thomson Consumer Electronics acquired RCA’s consumer electronics business, including the Lancaster plant, and operated the facility until Thomson shut down its consumer electronics operations in 2005. Materials in the collection document a diverse array of activities at the RCA/Thomson Lancaster plant between the facility’s early days of operation and its closure. Corporate memoranda, correspondence, product technical data, photographs, and audiovisual materials trace the development of RCA/Thomson’s picture tube product line. Corporate publications chronicle major moments in company history.
Abstract: The Reading Company, chartered in 1871 as the Excelsior Enterprise Company, became the holding company for the system of railroads, canals, and coal mines assembled by its predecessor, Philadelphia & Reading Railroad Company, between 1833 and 1896. The records are a fragmentary group from the Philadelphia & Reading Railroad Company; its successor, the Philadelphia & Reading Railway Company; and its subsidiary, the Philadelphia & Reading Coal & Iron Company. They are primarily registers of employees and wage rates for employees in the Reading, Pennsylvania, repair shops of all three companies.
Dates: 1872-1910; Majority of material found within 1872-1887
Abstract: The Reading Company, chartered in 1871 as the Excelsior Enterprise Company, became the holding company for the system of railroads, canals and coal mines assembled by the predecessor Philadelphia & Reading Railroad Company between 1833 and 1896. The Reading Company employment and real estate records comprise a largely incomplete and extremely fragmentary synthetic collection of material related to the Philadelphia & Reading Railroad Company and its successors. The collection comprises incomplete employment records largely dating from the first half of the twentieth century, records related to the employee pension program and the Relief Association, a small amount of contracts, and deeds and agreements reflecting the company's process of land acquisition following initial main line construction in the 1830s and through to the early twentieth century.
Abstract: The Reading Company, chartered in 1871, became the holding company for the system of railroads, canals and coalmines assembled between 1833 and 1896 by its predecessor, the Philadelphia & Reading Railroad Company. The collection consists of photographs [negatives, blueprints and other graphic materials relating to the Reading Company and its predecessor, the Philadelphia & Reading Railroad Company.
Abstract: The Reading Company, chartered in 1871, became the holding company for the system of railroads, canals and coal mines assembled between 1833 and 1896 by its predecessor, the Philadelphia & Reading Railroad Company. The collection consists of graphic materials relating to the Reading Company and its predecessor, the Philadelphia and Reading Railroad Company
Dates: circa 1842-1960
Abstract: Chartered in 1871, Reading Company was the holding company for the system of railroads, canals and coal mines assembled by the predecessor Philadelphia & Reading Railroad Company between 1833 and 1896. The collection consists of the corporate records of the Reading Company (1871-1976), the Philadelphia & Reading Railroad Company (1833-1896), the Philadelphia & Reading Railway Company (1896-1923), and 159 predecessors and subsidiaries.
Abstract: The Reading Company owned, leased or held a controlling interest in rail lines throughout southeastern and central Pennsylvania, with branches stretching as far north as Scranton and as far west as Williamsport and Shippensburg. The collections consists of twenty-five photographs of overnight accommodations (including rest houses and company sponsored Y.M.C.A. buildings) which provided accommodations for Reading Railroad employees at various end-of-the-line locations.
Abstract: The Reading Stove Works manufactured stoves, furnaces, and heaters. The collection includes Board of Directors minutes and sales and financial statements document the history of the company.
Abstract: The Reading Terminal was a train station serving passenger trains in Philadelphia from 1893 until 1984. This calendar was produced by the Reading Company Technical & Historical Society. It is illustrated with archival photographs from a variety of published and private sources.
Abstract: Rebecca Pennock Lukens (1794-1854) owned and managed the iron and steel mill known as Lukens Steel Company from 1825 until 1849. Studio portrait of Rebecca Lukens copied as a carte-de-visite.
Dates: circa 1854
Abstract: The Rust Craft Publishing Company published greeting cards. The company was founded by Frederick Winslow Rust (circa 1877-1949) in Kansas City, Missouri in 1906. Rust is attributed with creating some of the first greeting cards in America. This collection consists of a folder containing sixteen recipe cards for picnic lunches. The items were published by Rust Craft in Boston, Massachusetts in 1915.
Dates: circa 1915
- 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