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John Margolies collection of travel ephemera

 Collection
Identifier: 20171116-JT
Abstract: John Margolies (1940-2016) was an American photographer and architecture critic with a fondness for novelty architecture. This is his personal collection of travel ephemera that he collected from across North America. These materials primarily cover the United States’ most popular tourist spots with an emphasis on the Northeast region of the United States.
Dates: 1870-2005; Majority of material found within 1920s-1960s

Vulcan Iron Works negatives

 Collection
Identifier: 1971-210
Abstract: Vulcan Iron Works was a producer of mine and industrial locomotives, mine hoists, and other colliery machinery. Vulcan's locomotives were designed for mine, logging, plantation and factory work, including steam, electric and battery models for underground haulage. A large number were sold to strip mine and earth moving contractors. The majority of the collection consists of original negatives (glass plate and film) dating from about the 1880s to 1943. These are builder's photographs, recording the construction of locomotives and machinery, although there are some photographs of the plants themselves (interiors and exteriors), employees at work, the town of Wilkes-Barre, and equipment installed and in service, particularly at collieries in the anthracite fields. About half the pictures are of locomotives and the rest are of mining equipment. There are also 1,340 negatives of drawings and plans, chiefly of mining equipment hoists. The collection also contains about 2,400 copy photographs made to preserve the images on original nitrate negatives which had extensively deteriorated. The collection is organized into five series: Railroad; Mining and manufacturing equipment; Factory, mill, and shop views; Drawings; and People.
Dates: circa 1880s-1943, 1948

E.I. du Pont de Nemours & Company, Public Affairs Department records

 Collection
Identifier: 1410
Abstract: E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. The Public Affairs Department began as the Publicity Bureau in 1916, to deal with issues raised by the great increase of business spawned by World War I. Prior to this time, publicity had been handled by the Advertising Division, created in 1911. The Public Affairs Department records contain biographical sketches of deceased officers, employees, and du Pont family members, as well as histories of company plants, predecessor companies, and all line and staff departments. The alphabetical history file contains press releases, memoranda, and pamphlets that were assembled for various public relations campaigns.
Dates: 1912-1983

Pusey & Jones Corporation correspondence

 Collection
Identifier: 0363
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.
Dates: 1903

Pusey & Jones Corporation material

 Collection
Identifier: 1098
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.
Dates: 1903-1906

Pusey & Jones Corporation miscellany

 Collection
Identifier: 0369
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.
Dates: 1898-1945

Pusey & Jones Corporation bankruptcy records

 Collection
Identifier: 2169
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.
Dates: 1959-1962

MCI Communications Corporation photographs and audiovisual materials

 Collection
Identifier: 2000-239
Abstract: MCI Communications Corporation (MCI) was a large telecommunications company. It was organized in October 1963 in Joliet, Illinois, by John D. (Jack) Goeken (1930-2010), as Microwave Communications, Inc. Goeken and his partners were planning to provide point-to-point private line microwave communications between Chicago and St. Louis to small businesses. This large collection documents the activities of the MCI Communications Corporation and its subsidiaries as well as the development of a competitive telecommunications industry in the United States and worldwide. The materials focus on MCI corporate life, public relations, technical operations, and sales and marketing activities. A vast amount of videotapes makes up a significant portion of the MCI collection, however, there are also photographs, slides, digital files, and audio cassette tapes.
Dates: 1915-2001; Majority of material found within 1975-1997

Richard Hollerith papers

 Collection
Identifier: 2054
Abstract: Richard Hollerith, Jr. (1926-), spent his professional career working as an industrial designer of office products, computers, printers, office space, and household products. His papers include correspondence, meeting minutes, conference and working group reports, and blueprints reflecting his work as a designer and as an advocate of universal design and barrier-free environments.
Dates: 1962-2004; Majority of material found within 1965-1980

Gordon M. Kline papers

 Collection
Identifier: 2010
Abstract: Gordon M. Kline (1903-1996) was highly involved in the plastics industry, beginning in its infancy. He worked in the plastics section of the National Bureau of Standards, editor of Modern Plastics, and with the U.S. government on preservation of significant historical items. The papers document his professional career with the National Bureau of Standards, along with material describing his work with the Society of the Plastics Industry, the American Society for Testing Materials, and the International Standards Organization.
Dates: 1930-1980

Pusey & Jones Corporation and Joseph Bancroft & Sons notebooks

 Collection
Identifier: 1400
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.
Dates: 1910-1919

Gabrielle Shubrick Crofton and Alfred I. Du Pont individual portraits

 Collection
Identifier: 1982-254
Abstract: Alfred Irénée du Pont (1864-1935) was the eldest son of E.I. du Pont (1829-1877). He joined the family gunpowder firm in 1884. Gabrielle Shubrick Crofton (1835-1894) was the daughter of Alfred I. du Pont's first cousin, Julia Sophia du Pont (1806-1882) and Irvine Shubrick (1797-1849). This collection consists of two individual portraits, one of Gabrielle Shubrick Crofton and the other of Alfred I. Du Pont.
Dates: circa 1875-1882

Gabrielle Josephine Crofton diaries

 Collection
Identifier: 1767
Abstract: Gabrielle Crofton (1873-1952) was the daughter of Gabrielle Josephine Shubrick (1835-1894) and Robert Erskine Anderson Crofton (1834-1898), and the great-granddaughter of Victor Marie du Pont (1767-1827), a prominent French American diplomat and businessman. The collection consists of two diaries, dating from 1917 to 1926, and reflect the leisured life of a middle-class, unmarried woman in the first quarter of the twentieth century United States.
Dates: 1917-1926

Pusey & Jones Corporation miscellany

 Collection
Identifier: 2473
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

Pusey & Jones Corporation plant land survey

 Collection
Identifier: 0780
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

Joseph N. Borglin manuscripts on resins

 Collection
Identifier: 1944
Abstract: Joseph N. Borglin (1899-1976) was a chemical engineer in the Agricultural Chemicals Division at Hercules Powder Company. The records include typescripts for two works by Borglin: "Treatise on Vinsol Resin" and "Treatise on Rosin" both from the 1940s.
Dates: 1943-1946

Joseph P. Hornor letter book

 Collection
Identifier: 1019
Abstract: Joseph P. Hornor (1785-1845) was a merchant in Philadelphia in the early nineteenth century. The collection is comprised of a letter book of Hornor's outbound letters, describing mercantile business spreading throughout the Philadelphia hinterlands.
Dates: 1816-1838

Margaretta du Pont Coleman papers

 Collection
Identifier: 2027
Abstract: The Margaretta E. "Meta" du Pont Coleman Papers primarily consist of family correspondence collected by Meta Coleman.
Dates: 1852-1915

Baldwin Locomotive Works Trades Exhibit Constitutional Centennial Celebration album

 Collection
Identifier: 1983-237
Abstract: Baldwin Locomotive Works was a manufacturer of railroad locomotives from 1825 until 1972. The company was originally located in Philadelphia and then later moved to Eddystone, Pennsylvania. This album contains twenty two photographs of Baldwin Locomotive Works train engines, train cars, and parts. The album appears to have been created by company President S.M. Vauclain for the Trades Exhibit at the Constitutional Centennial Celebration.
Dates: 1887

Samuel Vauclain family travel photographs

 Collection
Identifier: 1989-271
Abstract: Samuel Vauclain (1856-1940) was an engineer, inventor, and was president of Baldwin Locomotive Works from 1919 to 1929. This collection contains album pages with snapshot photographs recording a month long Canada-U.S. transcontinental railroad voyage taken in July and August 1922 by Mrs. and Mrs. Samuel Vauclain, their daughter, and granddaughter in their private car, "Manhattan."
Dates: 1865-1940; Majority of material found within 1922

Thomas L. Foster photographs

 Collection
Identifier: 2007-212
Abstract: Thomas Lansford Foster (1894-1956) was manager of export sales for Baldwin Locomotive Works in Eddystone, Pennsylvania. Baldwin Locomotive Works was a manufacturer of railroad locomotives from 1825 until 1972. This small colleciton consistate of five photographs showing Thomas L. Foster with other Baldwin staff and customers visiting the headquarters.
Dates: 1947-1952

Thomas H. Savery checkstub books

 Collection
Identifier: 0914
Abstract: Thomas H. Savery (1837-1910) was president of Pusey, Jones and Company, a shipbuilder and papermaking machinery manufacturer in the late nineteenth and early twentieth centuries. This collection consists of two checkbook stubs dating from 1892 to 1896.
Dates: 1892-1896

Boeing Company, Vertol Division records

 Collection
Identifier: 1375
Abstract: In its various iterations, the Boeing Vertol Company has been a major developer and builder of helicopters. These records reflect development, manufacture, testing, improvement, and sale of helicopters, especially for military use in Vietman. This includes information relating to reports on factories visited, military needs of the United States and foreign countries, sales, conferences, and meetings with military personnel, government agencies, and representatives of foreign countries.
Dates: 1943-1967

Marshall B. Johnson research collection of industrial design and housewares

 Collection
Identifier: 2268
Abstract: Marshall Johnson, an industrial designer, worked for some of the most well-known small appliance companies and designed many popular consumer products as well as often doing their graphic and packaging design. He began working at Black & Decker, Inc., designing portable power tools and lawn and garden power tools. He went on to work as a corporate industrial designer for ALCOA, and later as a designer of small appliances and cookware for Wear-Ever, Proctor Silex, and Hamilton Beach, as those companies merged and evolved through the years. The Marshall B. Johnson Research Collection for Industrial Design and Housewares consists of Johnson's career files and artifacts from the various companies for which he worked, historical and research materials on the companies and their products, files on industrial designers, and Johnson's personal papers, which include materials on his family, childhood, education, interests, and other activities.
Dates: 1870-2018; bulk 1938-2018

Hudson Maxim photographs

 Collection
Identifier: 1996-312
Abstract: Hudson Maxim (1853-1927) was an inventor and chemist best known for his work in the development of smokeless gunpowder and military explosives. The collection consists primarily of photographs, many of which are portraits, of Hudson Maxim and his family, friends, and associates.
Dates: circa 1890-1925

Maxim Silencer Company photographs

 Collection
Identifier: 2015-288
Abstract: The Maxim Silencer Company was the first company to manufacture gun silencers for commercial use. The company was founded in 1908 as the Maxim Silent Firearms Company by Hiram Percy Maxim (1869-1936) in Hartford, Connecticut. In 1912 Maxim incorporated his business as the Maxim Silencer Company. Maxim was an engineer and inventor. This small collection consists of photographs of rifles with silencers, the company's World War II Army E. Navy award ceremony, and a few images of Hiram Percy Maxim and his son Hiram Hamilton Maxim.
Dates: circa 1900-1909; Majority of material found within 1943-1945

John J. Beer papers

 Collection
Identifier: 2279
Abstract: John Joseph Beer (1927-) was a professor of the history of science and chemistry at the University of Delaware until his retirement in 1992. Beer played a major role in developing the university’s program in the history of technology and the Hagley Fellowship Program. The bulk of the papers consists of correspondence, notes, research materials, and drafts for a projected book or article on "Russia iron," a highly finished, wear-resistant iron produced in Russia during the nineteenth century.
Dates: 1835-1991; Majority of material found within 1961-1991

Cooper & Hewitt records

 Collection
Identifier: 1754
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.
Dates: 1848-1870

Wallace Hume Carothers photographs

 Collection
Identifier: 2001-224
Abstract: Wallace Hume Carothers (1896-1937) was chemist and inventor of Neoprene artificial rubber and Nylon synthetic fiber. He worked as a chemist in E.I. du Pont de Nemours & Company's Fundamental Research Program from 1928 until his death in 1937. These items consist of four photographs preserved by Wilko Gustad Machetanz (1895-1973), Carothers's Tarkio College roommate and lifelong friend.
Dates: 1915-1925

Crawford Greenewalt photographs

 Collection
Identifier: 1994-333
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

Anthony Morris letterbooks and ledger

 Collection
Identifier: 1004-2
Abstract: Anthony Morris (1766-1860) was a lawyer and merchant of Philadelphia. Morris was active in the East India trade. This collection includes two letterbooks and one ledger. The letterbooks are mostly concerned with his business affairs. The letters date from 1787 to 1800. His ledger includes household accounts and records of expenses on voyages to China, India and England. The ledger dates from 1800 to 1806.
Dates: 1787-1806

Anthony Morris letterbook

 Collection
Identifier: 0951
Abstract: Anthony Morris (1766-1860) was a lawyer and merchant of Philadelphia. Morris was active in the East India trade. Morris's letters are largely concerned with business affairs, administration and sale of lands, and state politics. The letters date from 1800 to 1808.
Dates: 1800-1808

Charles J. Pedersen notebook on Amine oxides and N-oxides

 Collection
Identifier: 2545
Abstract: Charles J. Pedersen (1904-1989) was a research chemist with E.I. du Pont de Nemours & Company who spent most of his career at the Jackson Laboratory in Deepwater, New Jersey, and the Elastomer Chemicals Department at Wilmington, Delaware. This notebook consists of notes in Pedersen's own hand, with extensive chemical formulas and diagrams of molecules, interspersed with copies of journal articles.
Dates: 1951-1957

Edward H. Weber collection of railroad timetables

 Collection
Identifier: 2573
Abstract: 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.
Dates: 1856-2009; Majority of material found within 1930-1976

William Sellers & Co. records

 Collection
Identifier: 1466
Abstract: William Sellers & Co. was an iron works that manufactured machine tools used for turning, planing, shaping, drilling, boring, or cutting metal or wood. The company was founded in 1848 as Bancroft & Sellers by mechanical engineers and inventors Edward Bancroft (1811-1855) and William Sellers (1824-1905). The records consist of five volumes, as well as correspondence from William Sellers and the Sellers firm.
Dates: 1827-1947

Delaware Construction Co. blueprints

 Collection
Identifier: 1088
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.
Dates: 1910

Frank P. Gentieu papers

 Collection
Identifier: 0717
Abstract: Francis “Frank” Pierre Gentieu (1876-1950) was a ballistic engineer at E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. Gentieu worked at DuPont's Carney's Point Plant in New Jersey from 1901 to 1941. This small collection contains an account by Gentieu entitled "The First Fifty Years at Carney's Point" (1891-1941); correspondence with du Pont family members; a list of his father Pierre Gentieu's photographs of the DuPont Company and Brandywine area; and a recollection written by Samuel Brown of a conversation with Sophie M. du Pont (1810-1888) related to the Brandywine Manufacturers Sunday School.
Dates: 1944-1948

Phoenix Iron Company records

 Collection
Identifier: 0683
Abstract: The Phoenix Iron Company began in the late eighteenth century as a manufacturer of cut nails. It later became a major producer of railroad rails and iron and steel structural members. This small collection of records includes incoming correspondence chiefly relating to orders for and deliveries of iron for railroads.
Dates: 1844-1875

Pierre Gentieu papers

 Collection
Identifier: 0503
Abstract: Pierre A. Gentieu (1842-1930) was a photographer and a long-term employee of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. Gentieu's papers include correspondence with du Pont family members and coworkers, an account book of powder packed at the Hagley Yard (1858-1902), a record book with lists of explosions (1882-1909), time work sheets of powdermen during the 1890s, and a list of the principal events in the powder yards from 1882 to 1911.
Dates: 1858-1911

Pennsylvania Railroad system locomotive rosters

 Collection
Identifier: 2386
Abstract: The Joseph D. Lovell Locomotive Rosters constitute a partial roster of Pennsylvania Railroad steam, electric and early diesel locomotives to 1946. The collection also contains seven small ledgers listing the production of not only the Juniata Shops, but also the earlier Altoona Machine Shops (1866-1904) and locomotives purchased from outside builders, principally the Baldwin Locomotive Works. His lists include rosters for both the Pennsylvania Railroad proper and its predecessor lines.

There is also a folder containing copies of letters and notes by Robert B. Watson documenting the provenance of the records.
Dates: 1946

Phoenix Iron and Steel Co. miscellany

 Collection
Identifier: 0909
Abstract: The Phoenix Iron and Steel Company began in the late eighteenth century as a manufacturer of cut nails. It later became a major producer of railroad rails and iron and steel structural members. It operated as the Phoenix Iron and Steel Company from 1950 to 1959, when it was reorganized as the Phoenix Steel Corporation. This small collection primarily consists of a sample of letters received by president Samuel J. Reeves (1872-1878), primarily concerned with the Girard Avenue Bridge contract. There is also a volume of annual reports by the superintendent and a company history written by Catherine S. Sisto in 1950.
Dates: 1872-1950

Z. Taylor Vinson collection of transportation ephemera

 Collection
Identifier: 20100108-ZTV
Abstract: Consists of Z. Taylor Vinson's collection of transportation ephemera, which focuses primarily on automobile history but also documents other forms of transportation. Includes trade catalogs, books, magazines, and artifacts in addition to manuscripts relating to Vinson's career at the National Highway Traffic Safety Administration.
Dates: 1860-2011; bulk 1893-2009

Westinghouse Electric Corporation Steam Division photographs

 Collection
Identifier: 1969-170
Abstract: The Westinghouse Machine Company manufactured gas and steam engines, turbines and mechanical stokers. The vast corporate photographic archive from this division covers diverse topics including technical subjects showing surface condensers and reduction gears and components used to construct different types of turbines. There are building construction views and thorough documentation of the Essington property; specifically, this includes the blade, diaphragm, erecting, and forge shops, several different types of laboratories on the premise, a foundry and pickle house. In addition, there are images of the pattern storage house, power house, pump house, and salvage building
Dates: 1898-1964

National Association of Manufacturers photographs and audiovisual materials

 Collection
Identifier: 1973-418
Abstract: The National Association of Manufacturers (NAM) is “the largest manufacturing association in the United States, representing small and large manufacturers in every industrial sector and in all fifty states,” and “is the powerful voice of the manufacturing community and the leading advocate for a policy agenda that helps manufacturers compete in the global economy and create jobs across the United States.” This collection contains photographs, negatives, slides, digital images, sound recordings, objects, videos, and films that document the history of the National Association of Manufacturers (NAM) from the mid-twentieth century through the early twenty-first century. The materials provide a visual and audible documentation of the organization’s programs and activities.
Dates: 1895-2014; undated

Sophie du Pont May papers

 Collection
Identifier: 2402
Abstract: Irene "Sophie" Sophie du Pont May (1900-2001) was a churchwoman, a philanthropist, and a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthère Irénée du Pont (1771-1834) in 1802. The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The collection consists of Sophie du Pont May's family correspondence and financial correspondence as well as correspondence between her father Irénée du Pont (1876-1963) and his older sister Louisa d'Andelot du Pont Copeland (1868-1926).
Dates: 1892-1998; Majority of material found within 1960-1995

Motion picture "Stars and Stripes Forever" film stills

 Collection
Identifier: 1980-358
Abstract: This collection consists of five publicity photographs from the motion picture Stars and Stripes Forever. It was produced by 20th Century Fox and released in 1952. It tells the story of John Philip Sousa, portrayed by Clifton Webb.
Dates: 1952

"Quaker Hill Waltz" sheet music

 Collection
Identifier: 1970-085
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.
Dates: 1853

U.S. Steam Frigate "Wabash", Flagship of Rear Admiral DuPont lithograph

 Collection
Identifier: 1982-290
Abstract: Samuel Francis du Pont (1803-1865) was an Admiral in the United States Navy and fought in the Mexican-American War and the Civil War. At the start of the Civil War du Pont was appointed a senior member of the Commission of Conference to establish naval operations for the North. du Pont was put in charge of the South Atlantic Blockading Squadron and broke his flag on the U.S.S. Wabash. This item is a hand-colored lithograph of the U.S.S. Wabash at sea.
Dates: circa 1861

"Time To Think" film

 Collection
Identifier: 2016-210
Abstract: This item is a manager training film. The film narrative is about a manager who is not in control and having problems and how he turns things around.
Dates: 1984

"The Presidential Puzzle" from the campaign of Herbert Hoover and Franklin D. Roosevelt

 Collection
Identifier: 1977-420
Abstract: The Presidential election of 1932 was between Republican candidate and incumbent Herbert Hoover (1874-1964) and the Democratic candidate Franklin D. Roosevelt (1882-1945). This item is a small wooden puzzle, "The Presidential Puzzle," from the campaign of Herbert Hoover and Franklin D. Roosevelt in 1932.
Dates: 1932

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Manuscripts and Archives 197655
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Archival Record 355047
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Correspondence 250
Railroads 117
Advertisements 106
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Social history 78
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Explosives industry 66
Exhibitions 64
Financial statements 57
Textile industry 49
Steel industry and trade 44
Research, Industrial 43
Textile fibers, Synthetic 43
Patents 41
Iron industry and trade 40
Portraits 40
Scrapbooks 40
Account books 39
Ephemera 39
Exhibition buildings 39
Reports 39
Postcards 36
Ships 36
Electronic industries 35
World War, 1939-1945 35
Diaries 34
Aeronautics 33
Domestic relations 33
Group portraits 33
Marketing 33
Construction projects 32
Factories 32
Minutes 32
Wilmington (Del.) 32
Photograph albums 31
Television 30
Genealogies 29
Railroads -- Rolling stock 29
Biography 28
Industrial design 28
Inventors 28
Panoramic photographs 28
Testing laboratories 28
Du Pont family -- Homes and haunts 27
Industrial chemists 25
Oral histories 25
Papermaking 25
Investments 24
Powder mills 24
Automobile industry and trade 23
Coal mines and mining 23
Dyes and dyeing 23
Industrial safety 23
Packaging -- Design 23
Planographic prints 23
Weapons industry -- Employees 23
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Gunpowder, Smokeless 22
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Business and politics 19
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Pennsylvania 19
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World War, 1914-1918 19
Chemical plants 18
Industrial films 18
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Iron and steel workers 18
Laboratory notebooks 18
Steel-works 18
Textile factories 18
Trade associations 18
United States -- History -- Civil War, 1861-1865 18
Computer industry 17
Historic sites 17
Philadelphia (Pa.) 17
Printing industry 17
Railroads -- Buildings and structures 17
Vacuum-tubes 17
Banks and banking 16
Commerce 16
Electric industries 16
Firearms 16
Gardens 16
Industrial relations 16
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Railroads -- Rolling stock -- Design and construction 16
United States. Navy -- Officers 16
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Europe -- Description and travel 15
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English 2598
Spanish; Castilian 899
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Du Pont family 188
E.I. du Pont de Nemours & Company 179
Unknown 54
Du Pont de Nemours, Pierre Samuel, 1739-1817 49
Pennsylvania Railroad 40
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Du Pont, Samuel Francis, 1803-1865 31
E.I. du Pont de Nemours & Company. Experimental Station 25
Du Pont, Sophie Madeleine, 1810-1888 19
RCA Corporation 18
United States. Navy 17
Du Pont, Eleuthère Irénée, 1771-1834 16
Du Pont, H. A. (Henry Algernon), 1838-1926 16
Dick, John A., 1879-1972 14
Du Pont de Nemours, Francoise Robin Poivre, 1748-1841 14
New York World's Fair (1964-1965 : New York, N.Y.) 14
Joseph Bancroft & Sons Co 13
Savery, Thomas H., 1837-1910 13
Du Pont, Pierre S. (Pierre Samuel), 1870-1954 12
Longwood Gardens (Kennett Square, Pa.) 12
New York World's Fair (1939-1940 : New York, N.Y.) 12
Eleutherian Mills (Greenville, Del. : Estate) 11
Pusey and Jones Company 11
Centennial Exhibition (1876 : Philadelphia, Pa.) 10
E.I. du Pont de Nemours & Company. Textile Fibers Department 10
Greenewalt, Crawford H., 1902-1993 10
Jackson Laboratory (E.I. du Pont de Nemours & Company) 10
World’s Columbian Exposition (1893 : Chicago, Ill.) 10
Carothers, Wallace Hume, 1896-1937 9
Du Pont, Francis Gurney, 1850-1904 9
Du Pont, Victor Marie, 1767-1827 9
Loewy, Raymond, 1893-1986 9
Pusey & Jones Corporation 9
Reading Company 9
Baldwin Locomotive Works 8
Bethlehem Steel Corporation 8
Crowninshield, Louise du Pont, 1877-1958 8
Du Pont, Henry, 1812-1889 8
E.I. du Pont de Nemours & Company. Brandywine Works 8
E.I. du Pont de Nemours & Company. Carney's Point Works 8
E.I. du Pont de Nemours & Company. Chestnut Run Laboratories 8
E.I. du Pont de Nemours & Company. Organic Chemicals Department 8
International Business Machines Corporation 8
Southeastern Pennsylvania Transportation Authority 8
Wilkinson, Norman B. 8
E.I. du Pont de Nemours & Company. Central Research and Development 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
Hanford Engineer Works 7
Lehigh Valley Railroad Company 7
Maxim, Hudson, 1853-1927 7
Penn Central Transportation Company 7
Philadelphia & Reading Railroad Co 7
Victor Talking Machine Company 7
Amtrak 6
Baltimore and Ohio Railroad Company 6
Bethlehem Steel Company 6
Century of Progress International Exposition (1933-1934 : Chicago, Ill.) 6
Du Pont, Alfred I. (Alfred Irénée), 1864-1935 6
E.I. du Pont de Nemours & Company. Grasselli Chemicals Department 6
General Electric Company 6
Lea family 6
Manhattan Project (U.S.) 6
National Association of Manufacturers (U.S.) 6
Radio Corporation of America 6
Thayer, Horace H., 1878-1959 6
Young, William, 1755-1829 6
Bauduy, Peter, 1769-1833 5
Brandywine Manufacturers Sunday School 5
Budd Company 5
ConRail 5
DeMirjian, Charles H., 1925-2021 5
Du Pont, Irénée, 1876-1963 5
E.I. du Pont de Nemours & Company. Engineering Department 5
E.I. du Pont de Nemours Powder Company 5
General Motors Corporation 5
Hagley Museum and Library. Library. Oral History Project Office 5
Hercules Powder Company 5
Louisiana Purchase Exposition (1904 : Saint Louis, Mo.) 5
Lukens Steel Company 5
Midvale Steel and Ordnance Company 5
Ramsay, William G. (William Gouverneur), 1866 - 1916 5
Remington Arms Company 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
All American Engineering Company 4
American Car and Foundry Company 4
American Car and Foundry Company. Jackson & Sharp Plant 4
American Iron and Steel Institute 4
American Telephone and Telegraph Company 4
Bauduy, Victorine du Pont, 1792-1861 4
Bond, James 4
Bradford, Phoebe George, 1794-1840 4
Brandywine Hundred (Del.) 4
Bronfman family 4
Central Railroad of New Jersey 4
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