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Showing Collections: 1451 - 1500 of 1836

Resources for Women training workshops binder

 Collection
Accession: 2824
Abstract:

Resources for Women (RFW) was a consulting company founded by Sarah W. Risher (1941-2019) that provided training programs to government agencies through the Federal Women's Program (FWP), as well as clients in the private sector. This small collection consists of a binder containing materials documenting training workshops offered by Resources for Women. The binder was divided into four sections: Assertive Training, Speech Communication, Human Resource Development: Racial and Cultural Awareness, and Career Development.

Dates: 1975-1976

Revolving crane ship tests at the Philadelphia Navy Yard photographs

 Collection
Accession: 1994-279
Abstract:

The Philadelphia Naval Shipyard occupied two different locations. The second site at League Island was the larger of the two sites and saw the greatest amount of shipbuilding activity. The Dravo Wellman Company was a pioneer manufacturer of steel plant equipment with an international reputation for engineering some of the largest material-handling projects ever built. Photographs show tests of a revolving crane ship (perhaps manufactured by Wellman-Seaver-Morgan Company) in the Philadelphia Navy Yard.

Dates: 1922

R.G. Dun & Company credit ledgers (microfilm)

 Collection
Accession: 1413
Abstract:

Founded in 1841 by Lewis Tappan, the Mercantile Agency — later known as R.G. Dun & Co. — was the first commercial reporting agency in America and dominated the field well into the twentieth century. The microfilmed credit ledgers contain volumes of handwritten credit reports on individuals and firms from the Mid-Atlantic region.

Dates: 1840-1895

Richard C. du Pont and Summit Aviation scrapbooks and photographs

 Collection
Accession: 2009-211
Abstract:

Richard C. du Pont (1911-1943) was an aviator and businessman. In 1938, he purchaseds stock of an inactive company called All American Aviation, Inc. and became PresidentThis collection encompasses the time of Richard C. du Pont's marriage to his death, with a particular focus on his work with gliders. The establishment and growth of Summit Aviation, his son's private air transportation company, is heavily documented from the early 1960s onward. The majority of the collection consists of newspaper clippings and photographs.

Dates: 1930-2002

Richard C. du Pont miscellany

 Collection
Accession: 2571
Abstract:

This collection includes materials related to Richard C. du Pont (1911-1943), pioneer in early aircraft and gliders and includes news clippings, official governmental documents related to his work as well as the logbook of his yacht, Nahma.

Dates: 1932-1997

Richard E. Heckert papers

 Collection
Accession: 2070
Abstract:

Richard E. Heckert (1924-2010) was chairman and CEO of E.I. du Pont de Nemours & Company from 1986 to 1989. His papers consist of his "personal" business files, most of which were generated by his membership on the boards of businesses and non-profit organizations.

Dates: 1973-1992

Richard Hollerith papers

 Collection
Accession: 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

Richard Implay papers

 Collection
Accession: 1760
Abstract:

Richard Imlay (1784-1867) was a railroad car manufacturer and inventor. The papers document his marketing of his patent for an improvement in the mode of supporting the bodies of railroad cars and carriages.

Dates: 1836-1858

Richard Thomas deLamarter collection of IBM antitrust suit records

 Collection
Accession: 1980
Abstract:

The IBM antitrust suit records are a collection assembled by Richard Thomas DeLamarter, a senior economist working for the Department of Justice on the case from 1974 to 1982. He is the author of Big Blue: IBM's Use and Abuse of Power (New York: Dodd, Mead & Company, 1986).

Dates: 1950-1984

Richards, London & Kelley album of woodworking machinery photographs

 Collection
Accession: 1992-225
Abstract:

Richards, London & Kelley manufactured pattern-making machinery for woodworking. The firm founded, The Atlantic Works in 1869 for the manufacture of machines especially directed to railway car manufacturing, and Band Sawing Machinery. This collection consists of illustrations of woodworking machinery and descriptions from trade catalogs that are pasted into an album. The machinery was produced in Philadelphia by The Atlantic Works (also DBA Richards, London and Kelley).

Dates: 1873-1874

Richmond Machine Company and American Pulley Company photographs

 Collection
Accession: 2016-304
Abstract:

Richmond Machine Company is an equipment manufacturer located in North Philadelphia. In around 1953, the Richmond Machine Company acquired the American Pulley Co. for the use of its patents. The American Pulley Co. was a power transmission equipment manufacturer which had its start as a pulley provider in Philadelphia, Pennsylvania, in 1892. This collection consists of two parts, the American Pulley Co. and Richmond Machine Company, the latter comprising only a small portion of the records. Within the American Pulley Co. series, researchers will find photographic prints of various hand and lift trucks, power transmission equipment, and non-mechanical products produced and distributed by the American Pulley Co. Researchers will also find images of facilities and employees demonstrating equipment for advertisement purposes. This collection transitions to the Richmond Machine Company, which bought the American Pulley Co. around 1953 and incorporated these photographs into their personal inventory. Included within this series are instructions, guides, and videos pertaining to drum and barrel reconditioning. Produced for both outside companies and personal sales, products within this collection demonstrate the role the American Pulley Co. played in early industrial development. Researchers interested in power transmission equipment would find this collection useful.

Dates: 1910-1992

Robert A. Schneider collection of Cinecraft Production audiovisual materials

 Collection
Accession: 2018-202
Abstract:

Robert “Bob” A. Schneider (1943-) worked as a sound engineer, then a writer, producer, and director at Cinecraft Productions, a film and video production company, from 1965 until 1977. This small collection of digital copies consists of twenty films either written by Storycraft or produced by Cinecraft or both. There are also fourteen sets of digital copies of photographs, mostly production stills, but also some images of Cinecraft personnel, workspaces, and equipment. The materials in the collection date from 1947 to 1976.

Dates: 1947-1976

Robert B. Watson collection of high speed train images

 Collection
Accession: 2013-224
Abstract:

Robert Bruce Watson (1931-) was the Coordinator for the Northeast Corridor Project for the Penn Central Railroad. This collection contains photographs and postcards of the high-speed equipment used in the Northeast Corridor Demonstration Project, including exteriors, interiors and details of trucks and other parts. There are several photographs of speakers at a train dedication event in 1996.

Dates: 1970s; 1996; undated

Robert B. Watson collection of Pennsylvania Railroad (PRR) Company documents

 Collection
Accession: 2421
Abstract:

The collection consists of materials documenting Watson's work for PRR, particularly mechanical engineering and rolling stock. Records largely focus on the development of PRR locomotives and passenger cars in the mid-twentieth century.

Dates: 1876-1968; bulk 1900-1957

Robert B. Watson professional papers

 Collection
Accession: 2577
Abstract:

Professional career files of mechanical engineer Robert B. Watson (1931-) documenting his work on the development of high-speed trains in the years between 1966 and 1998, especially his involvement in the Northeast Corridor Demonstration Project and the development of the first generation "Metroliners."

Dates: 1926-2005; Majority of material found within 1964-1981

Robert C. Forney papers

 Collection
Accession: 2689
Abstract:

Dr. Robert C. Forney was a chemical engineer and served as a senior vice president for the DuPont Company. His papers largely document his career with the DuPont Company, his private and public life, artifacts, reports, and include various awards from his career in chemical engineering. Forney's work on redesigning the shuttle rocket booster following the space shuttle Challenger incident is included among his papers.

Dates: 1947-2017

Robert C. Naramore's Photographic National Bank Note Detector album

 Collection
Accession: 1996-305
Abstract:

Because of rampant counterfeiting in the 1860s, Secretary of Treasury Hugh McCulloch (1808-1895) made an unprecedented decision to allow Robert C. Naramore (1829-1895) to photograph legal tender so that the images could be used to detect counterfeit bills. The photographs were published by the American Photograph Company of Bridgeport, Connecticut. This small album has eighteen albumen photographs of U.S. bank notes.

Dates: 1866

Robert Coleman papers

 Collection
Accession: 1008
Abstract:

Robert Coleman (1748-1825) was one of the most important ironmasters in Pennsylvania and acquired Elizabeth Furnance near Manheim, Pennsylvania. His papers consists of correspondence, receipts, and miscellany, mostly involving land purchase.

Dates: 1785-1832

Robert E. Holeton papers

 Collection
Accession: 2763
Abstract:

Robert E. Holeton (1911-1962) was an organic chemist at the DuPont Company from 1933 to 1962. He was the District Manager of the Petroleum Chemicals Division from 1954 until his death. From 1947 to 1953, Holeton perfomed "Chemical Magic" shows with a colleague in which they would demonstrate the unusual chemical reactions that can occur in the laboratory. These demonstrations were intentended to promote industrial safety. This small collection of Holeton's papers provides insight into his career as an industrial chemist, and then later as a sales represenative and district manager of the Petroleum Chemical Division. The collection strengths are the documentation related to industrial safety and Holeton's work performing the "Chemical Magic" shows and his time working at the Petroleum Chemical Division. There is a small but interesting set of material related to the Woodstown Civil Defense Council.

Dates: 1933-1962

Robert E. Wilhelm, Jr. collection of Red Clay Valley materials

 Collection
Accession: 2017-238
Abstract:

Chartered in 1869, the Wilmington & Western Rail Road Company formed to create a rail line connecting Wilmington, Delaware, with Landenberg, Pennsylvania. A non-profit organization, Historic Red Clay Valley, Inc. (HRCV)., formed in 1960 and today operates the line as a heritage railroad. The collection includes eight maps of the line created by the Interstate Commerce Commission in 1918 and two publications concerning the history of both the Wilmington & Western Railroad line and HRCV.

Dates: 1918; 1992; 2016

Robert K. Austin picture file on the history of the automobile in America

 Collection
Accession: 1979-262
Abstract:

This collection consists of a picture reference file of American automobiles built between 1877 and 1979. Most pictures are illustrations clipped from magazines and other publications, but there are also some postcards, photographs, and ephemera items.

Dates: 1877-1979

Robert Lenox Belknap papers

 Collection
Accession: 1954
Abstract:

Robert Lenox Belknap (1848-1896) was a capitalist and financier of New York City. The Robert Lenox Belknap papers are a fragment saved by his descendants. The papers include Belknap's private letterbooks for the final years of his career (1892-1895), although 33 earlier volumes have been lost. They include both business and personal correspondence and give a good picture of the life of a New York financier of the second rank.

Dates: 1872-1895

Robert Olodort archive

 Collection
Accession: 2769
Abstract:

Robert "Bob" Allan Olodort (1946-2019) was an inventor, industrial designer, and entrepreneur. He is best known for his invention of the "Stowaway," a portable, full-size keyboard that folds up to be pocket-size. It was used for Personal Digital Assistants (PDAs) like the Palm Pilot. Olodort invented the first computer label printer, the Smart Label Printer, among many other wireless mobile products. He holds dozens of U.S. and foreign utility and design patents. The Robert Olodort archive documents the industrial design process from both an inventor's and an entrepreneurial standpoint. The collection shows the development of a concept into a final product through product research, notes, correspondence, sketches, mechanical drawings, and prototypes. It provides valuable insight into how proprietary technology can be monetized by patenting and maintaining company relationships through development, licensing, and purchase agreements. The records also document business operations with financial files, board of directors files, and investor files. While none of the record sets are complete, there is a large enough sampling for a researcher to comprehend the complexity of design and business practices.

Dates: 1978-2019

Robert R. Radcliff papers

 Collection
Accession: 2485
Abstract:

Robert R. Radcliff (1916-2006) joined E.I. du Pont de Nemours & Co. as a chemist in 1945. As later division head for new products development at the Rubber Laboratory, later the Elastomers Laboratory at Chestnut Run, his principal achievement was developing the maleimide curing system for making "Hypalon" artificial rubber. The papers in this collection are a small selection of professional materials preserved by Dr. Radcliff and his family.

Dates: 1949-1973

Robert W. Sarnoff papers

 Collection
Accession: 2464-04
Abstract:

Robert W. Sarnoff (1918-1997), son of RCA founder David Sarnoff, became president of NBC in 1956 and succeeded his father as president of RCA in 1965. This collection consists of films, videos and sound recordings dating from 1953 to 1979 documenting the life and career of Robert W. Sarnoff. The collection has been organized into six series: Events, Meetings, Press and media coverage, Speeches, Travel, and General.

Dates: 1944-1979

Robert Watson collection of railroad photographs

 Collection
Accession: 2010-221
Abstract:

Robert B. Watson (1931-) was a mechanical engineer who worked on the development of high-speed trains between 1966 and 1998. This collection consists of photographs related to railroads in Pennsylvania and New York, dating from the late nineteenth century through the mid-twentieth century.

Dates: circa 1870-1960

Roberta S. Brown papers

 Collection
Accession: 2023-224
Abstract:

Roberta S. Brown (dates private) is the president of Sassafras River Associates, LLC, an energy consulting and investment firm. She previously spent twenty-four years with Pepco Holdings, Inc. subsidiaries Delmarva Power, Pepco, and Conectiv, Inc., ultimately serving as vice president of transmission. Delmarva Power and Light Company is a regulated energy company that provides electricity and natural gas services to customers in the Delmarva Peninsula. Conectiv, Inc. is a holding company formed in 1998 by the merger of Atlantic Electric Incorporated and Delmarva Power and Light Company, two large regional power utilities that supplied southern New Jersey and the Delmarva Peninsula. In 2002, Potomac Electric Power Company (Pepco) acquired Conectiv, Inc. and created Pepco Holdings, Inc., a holding company that owned both Conectiv and Delmarva Power. This is a small collection of Brown's papers from her time as vice president at the Delmarva Power and Light Company and Conectiv, Inc. Most of the files are from Delmarva Power and Light Company, primarily original images from their employee newsletter. There are also many booklets about power-generating stations from various utility companies. The collection is arranged in three series: Delmarva Power and Light Company files; Conectiv files; and Electric industry trade publications.

Dates: 1928-2000

Rockland oral history interview transcripts

 Collection
Accession: 2264
Abstract:

Rockland is an unincorporated old mill village in New Castle County, Delaware, and was later surrounded by du Pont family estates. The collection contains twelve edited oral history transcripts by Mary Laird Silvia (1938-2013) with people who lived in Rockland.

Dates: 1999-2011

Rolf Dessauer papers

 Collection
Accession: 2451
Abstract:

Rolf Dessauer (1926-) was a research chemist who specialized in dyes. He began a lengthy career with E. I. du Pont de Nemours and Company in 1952 as a research chemist at Jackson Laboratory, DuPont’s center for dye research. Dessauer invented chemistry in which exposure to visible light stabilized the background enabling dark and light areas to retain their contrast. Intense research and patent studies led Dessauer and his colleagues to a new technology, UVI – Ultraviolet Imaging. Dessauer's papers document his career as a noted scientist and chemist.

Dates: 1930-1998

Roller skating stickers, correspondence, and photographs

 Collection
Accession: 2015-308
Abstract:

Roller skating was a popular recreational hobby between 1935 through the 1970s. Starting in the early 1940s, a handful of enterprising roller skating rink owners looking for a way to promote their rinks began giving away colorful stickers printed with the name of the rink and a skating-related graphic. This collection primarily consists of roller staking rink stickers from various states in the United States and Canada. There are a few photographs of skaters and correspondence about sticker trading.

Dates: circa 1940s-1970s

Ron Degraw Transit Collection

 Collection
Accession: 2397
Abstract:

The collection consists of official documents produced or used by Ronald DeGraw during his career as a public transit official and transit consultant, materials from pre-SEPTA operators of the Philadelphia transit system that he preserved from loss or destruction, research materials that he amassed for writing his published and projected books, and photographs and ephemera collected out of his interest in the history of transit systems, particularly electric traction lines or what came to be called light rail transit.

Dates: 1859-2005; Majority of material found within 1920-1990

Rotary Club of Wilmington (Delaware) records

 Collection
Accession: 2399
Abstract:

Established in 1915, the Rotary Club of Wilmington was dedicated to community service, and one of its most important functions was to provide educational support. Their records consist primarily of minutes, newsletters, and documentation on the club's student loan and scholarship programs.

Dates: 1914-1981

Rowe family photographs

 Collection
Accession: 1969-046
Abstract:

Aloysius F. Rowe (1905-1940) worked for the New Bridge Station followed by the Philadelphia & Reading Railroad for eighteen years, he then was employed by the DuPont Company. This collection includes eight copy photographic prints of Rowe family photographs, featuring large group portraits in unidentified settings, presumably the Village of Henry Clay area.

Dates: circa 1920s

Roy J. Plunkett laboratory notebook

 Collection
Accession: 1991
Abstract:

Roy J. Plunkett (1910-1994) was the discoverer of Teflon, while working as a chemist at the DuPont Company. Plunkett's laboratory notebook documents the discovery of Teflon at DuPont's Jackson Laboratory in 1938. The notebook documents the experiments that led to the effective control of the rapid and explosive polymerization of tetrafluoroethylene gas into a solid polymer.

Dates: 1937-1940

Royal Earl House papers

 Collection
Accession: 1995
Abstract:

Royal Earl House (1814-1895) was an American inventor who patented an electic telegraph that could print Roman character letters and an electro-phonetic receiver for use in telegraphy. The collection is comprised of twenty-nine letters to House regarding his suit against the Bell monopoly for the phonetic telegraph, from 1885 to 1891.

Dates: 1885-1891

R.R. Wright collection of RCA ephemera

 Collection
Accession: 2574
Abstract:

R.R. Wright (1913-2009) was an employee of the RCA Corporation, one of the country's leading manufacturers and vendors of radios, televisions, and consumer electronics products. This is a small collection of ephemera Wright preserved throughout his thirty-three year long career with the company. Included are sample publications, manuals, stationery and small artifacts with RCA logos or advertising.

Dates: 1940-1973

Rubbermaid Inc. public relations miscellany

 Collection
Accession: 2217
Abstract:

Rubbermaid Incorporated is an American manufacturer and distributor of many household items. The collection is comprised of a public relations file consisting mostly of clippings and tear sheets, generally notices of the company in local papers and the trade press. Most deal with company performance, organizational culture, and personnel changes, with particular notices of Stanley C. Gault (1926-2016), CEO from 1980 to 1991.

Dates: 1980-2000

Rudolph Wurlitzer Company aerial photograph

 Collection
Accession: 1994-278
Abstract:

This print is an aerial photograph showing the full expanse of the Rudolph Wurlitzer Manufacturing Company factory in North Tonawanda, New York. The company initially imported musical instruments from Europe, but moved into manufacturing instruments by 1880. Shortly after the turn of the century, Wurlitzer moved to North Tonawanda, New York. By 1934 it had produced the first jukebox. In 1973, Wurlitzer sold its jukebox brand to a German company and closed the North Tonawanda factory.

Dates: 1925-1935

Ruoff collection of DuPont Company powder yards photographs

 Collection
Accession: 1969-129
Abstract:

E.I. du Pont de Nemours & Company was established as a black powder manufacturer in 1802 by Pierre Samuel du Pont de Nemours (1739-1817) and his son Eleuthère Irénée du Pont (1771-1834). The du Pont’s purchased a mill site on the banks of the Brandywine River just North of Wilmington, Delaware. This collection contains nineteen photographs of DuPont Company explosives plants, including Hagley Yard, Eleutherian Mills yard, possibly Wapwallopen, and the Pennsylvania plant.

Dates: circa 1900

Ruth Leverenz Avon Products scrapbook

 Collection
Accession: 2014-259
Abstract:

Ruth (Bury) Leverenz (1912-2006) was a top Avon Sales Representative for twenty years, from 1958 to 1978. Avon Products, Inc. is a manufacturer and direct selling company of beauty products. For many years Leverenz was the number one sales representative in her district and won numerous sales campaigns. During Leverenz's time as an Avon Representative, she compiled sixty pages of historical communications from the company into a scrapbook. The collection provides insight into methods of direct selling, the daily work of an Avon representative, and the experience of women in small business.

Dates: 1958-1978; 1980

S. Hallock du Pont collection of du Pont family photographs

 Collection
Accession: 1975-280
Abstract:

Lammot du Pont (1831-1884) was a chemist and inventor, he was the grandson of Eleuthere Irenee du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, more commonly known as the DuPont Company. This collection contains photographs of Brandywine, Hagley area, and the family of Lammot du Pont and Mary Belin du Pont (1839-1913).

Dates: 1883-1913

Sally Rand photograph

 Collection
Accession: 2005-223
Abstract:

Sally Rand (1904-1979) was a burlesque dancer, most well-known for her performances of the "bubble dance" and the "fan dance." This item is a publicity photograph showing Sally Rand and her fans.

Dates: circa 1933

Sally Rand's fan dance at the 1933 Chicago World's Fair photographic reproductions

 Collection
Accession: 2011-209
Abstract:

Sally Rand (1904-1979) was a burlesque dancer, most well-known for her performances of the "bubble dance" and the "fan dance." The Century of Progress International Exposition was held along Lake Michigan and Northerly Island Park in Chicago, Illinois, from May 27, 1933, to October 31, 1934. The theme was "Science Finds, Industry Applies, Man Conforms."This small collection consists of eight copy prints made from photographs of Sally Rand's Fan Dance which she performed at the Summer of 1933 at the Chicago World's Fair.

Dates: 1933

Samples of Wedding and Visiting Cards, sample book

 Collection
Accession: 2013-225
Abstract:

Henry A. Goffe (1846-1906) was a stationer and engraver who operated his business in Albany, New York in the 1880s. This item is a bound sample book of wedding invitations, envelopes, and visiting cards.

Dates: circa 1875

Samuel Eldon Homsey and Victorine du Pont Homsey portrait

 Collection
Accession: 1989-281
Abstract:

The architectural firm of Victorine & Samuel Homsey, Inc. was founded in Wilmington, Delaware, in 1935. It was one of the first husband-and-wife architectural practices in the U.S.

Dates: circa 1943

Samuel Francis du Pont certificates

 Collection
Accession: 0550
Abstract:

Samuel Francis du Pont (1803-1865) was a Rear Admiral in the United States Navy and fought in the Mexican-American War and the Civil War. He was the fourth child and second surviving son of Victor Marie du Pont (1767-1827) and his wife, Gabrielle Joséphine de la Fite de Pelleport (1770-1837). The collection contains two membership certificates from the U.S. Naval Lyceum and the American Board of Commissioners for Foreign Missions.

Dates: 1833-1854

Samuel Francis Du Pont letter

 Collection
Accession: 0135
Abstract:

Samuel Francis du Pont (1803-1865) was a Rear Admiral in the United States Navy and fought in the Mexican-American War and the Civil War. He was the fourth child and second surviving son of Victor Marie du Pont (1767-1827) and his wife, Gabrielle Joséphine de la Fite de Pelleport (1770-1837). The letter is writing to inform an unidentified captain of Naval surgeon John S. Wiley's death.

Dates: 1852 June 20

Samuel Francis Du Pont letter and report

 Collection
Accession: 0080
Abstract:

Samuel Francis du Pont (1803-1865) was a Rear Admiral in the United States Navy and fought in the Mexican-American War and the Civil War. He was the fourth child and second surviving son of Victor Marie du Pont (1767-1827) and his wife, Gabrielle Joséphine de la Fite de Pelleport (1770-1837). These two items are related to his service in the Navy, one a letter concerning his business interests in California, and one report regarding rotten gun breechings.

Dates: 1831 June 3; 1850 August 18

Samuel Francis du Pont letter from John G. Lawton

 Collection
Accession: 0750
Abstract:

Samuel Francis du Pont (1803-1865) was a Rear Admiral in the United States Navy and fought in the Mexican-American War and the Civil War. He was the fourth child and second surviving son of Victor Marie du Pont (1767-1827) and his wife, Gabrielle Joséphine de la Fite de Pelleport (1770-1837). Letter, with envelope, from John G. Lawton to du Pont transmitting model of a ship rudder.

Dates: 1853 November 3

Samuel Francis Du Pont letter regarding Crystal Palace in New York

 Collection
Accession: 0660
Abstract:

Samuel Francis du Pont (1803-1865) was a RearAdmiral in the United States Navy and fought in the Mexican-American War and the Civil War. He was the fourth child and second surviving son of Victor Marie du Pont (1767-1827) and his wife, Gabrielle Joséphine de la Fite de Pelleport (1770-1837). The three page letter written to an unidentified colonel discusses the opening of the Crystal Palace in New York as part of the "Exhibition of the Industry of All Nations" World's Fair.

Dates: 1853 July 5

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Du Pont family 214
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Du Pont de Nemours, Pierre Samuel, 1739-1817 50
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Du Pont, Samuel Francis, 1803-1865 31
E.I. du Pont de Nemours & Company. Experimental Station 25
RCA Corporation 20
Du Pont, Sophie Madeleine, 1810-1888 19
Du Pont, Eleuthère Irénée, 1771-1834 17
Du Pont, H. A. (Henry Algernon), 1838-1926 16
Du Pont, Pierre S. (Pierre Samuel), 1870-1954 16
United States. Navy 16
Dick, John A., 1879-1972 15
Joseph Bancroft & Sons Co 15
Du Pont de Nemours, Francoise Robin Poivre, 1748-1841 14
New York World's Fair (1964-1965 : New York, N.Y.) 14
E.I. du Pont de Nemours & Company. Textile Fibers Department 13
New York World's Fair (1939-1940 : New York, N.Y.) 13
Savery, Thomas H., 1837-1910 13
Eleutherian Mills (Greenville, Del. : Estate) 12
Longwood Gardens (Kennett Square, Pa.) 12
Centennial Exhibition (1876 : Philadelphia, Pa.) 11
Jackson Laboratory (E.I. du Pont de Nemours & Company) 11
Pusey and Jones Company 11
Carothers, Wallace Hume, 1896-1937 10
Du Pont, Francis Gurney, 1850-1904 10
Greenewalt, Crawford H., 1902-1993 10
Penn Central Transportation Company 10
Reading Company 10
World’s Columbian Exposition (1893 : Chicago, Ill.) 10
Bethlehem Steel Corporation 9
Century of Progress International Exposition (1933-1934 : Chicago, Ill.) 9
Du Pont, Henry, 1812-1889 9
Du Pont, Victor Marie, 1767-1827 9
Loewy, Raymond, 1893-1986 9
Pusey & Jones Corporation 9
Radio Corporation of America 9
Baldwin Locomotive Works 8
Crowninshield, Louise du Pont, 1877-1958 8
E.I. du Pont de Nemours & Company. Brandywine Works 8
E.I. du Pont de Nemours & Company. Central Research and Development Department 8
E.I. du Pont de Nemours & Company. Chestnut Run Laboratories 8
E.I. du Pont de Nemours & Company. Organic Chemicals Department 8
Hagley Museum and Library. Library. Oral History Project Office 8
Hanford Engineer Works 8
National Association of Manufacturers (U.S.) 8
Philadelphia & Reading Railroad Co 8
Southeastern Pennsylvania Transportation Authority 8
Du Pont, Alfred I. (Alfred Irénée), 1864-1935 7
E.I. du Pont de Nemours & Company. Carney's Point Works 7
E.I. du Pont de Nemours & Company. Engineering Department 7
E.I. du Pont de Nemours & Company. Hagley Yard 7
E.I. du Pont de Nemours & Company. Pioneering Research Laboratory 7
Gentieu, Pierre A., 1842-1930 7
Gilpin, Joshua, 1765-1841 7
Hagley Museum and Library 7
International Business Machines Corporation 7
Maxim, Hudson, 1853-1927 7
Victor Talking Machine Company 7
Amtrak 6
Avon Products, Inc 6
Brandywine Manufacturers Sunday School 6
Budd Company 6
E.I. du Pont de Nemours & Company. Advertising Department 6
E.I. du Pont de Nemours & Company. Grasselli Chemicals Department 6
E.I. du Pont de Nemours Powder Company 6
General Electric Company 6
Lea family 6
Lehigh Valley Railroad Company 6
Lukens Steel Company 6
Manhattan Project (U.S.) 6
Remington Arms Company 6
Sperry Rand (Corporation). Univac Division 6
Spohn, Benjamin (staff) 6
Thayer, Horace H., 1878-1959 6
University of Delaware 6
Young, William, 1755-1829 6
All American Engineering Company 5
American Iron and Steel Institute 5
American Telephone and Telegraph Company 5
Baltimore and Ohio Railroad Company 5
Bauduy, Peter, 1769-1833 5
Bauduy, Victorine du Pont, 1792-1861 5
Cinecraft, Inc 5
DeMirjian, Charles H., 1925-2021 5
Du Pont Motors, Incorporated 5
Du Pont, Alfred Victor, 1798-1856 5
Du Pont, Irénée, 1876-1963 5
E.I. du Pont de Nemours & Company. Chambers Works 5
E.I. du Pont de Nemours & Company. Explosives Department 5
E.I. du Pont de Nemours & Company. Fabrics and Finishes Department 5
General Motors Corporation 5
Hercules Powder Company 5
Laird, W. W. (William Winder), 1910-1989 5
Louisiana Purchase Exposition (1904 : Saint Louis, Mo.) 5
Massachusetts Institute of Technology 5
Pennsylvania Power & Light Company 5
Ramsay, William G. (William Gouverneur), 1866 - 1916 5
Raskob, John J. (John Jakob), 1879-1950 5
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