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Showing Collections: 401 - 450 of 1060

Guy B. Taylor papers

 Collection
Accession: 2643
Abstract:

Guy B. Taylor (1888-1972) worked at the DuPont Company, where he specialized in the oxidation of ammonia, the method of contact catalysis, and the synthesis of acetylene. His fragmentary papers document his career as a research chemist and include an autobiographical notebook that chronicles his life from childhood to retirement, Princeton dissertation on the dissociation of mercuric oxide, technical papers, patents, and papers from employment at DuPont's Experimental Station.

Dates: 1913-1968

Guyencourt Nurseries, Inc. records

 Collection
Accession: 1680
Abstract:

Guyencourt Nurseries, Inc. was a Delaware landscape nurser set up by three young horticulturists, William E. and Mary N.R. Phelps and G. Guy Nearing, in 1929. This small group of papers traces six years of depression-era activities by a small Delaware land-scape nursery.

Dates: 1923-1939

H. Rodney Sharp letters

 Collection
Accession: 2202
Abstract:

H. Rodney Sharp (1880-1968) was a historic preservationist and husband of Isabella du Pont Sharp (1882-1946), a descendent of the founders of E.I. du Pont de Nemours & Company. The collection contains typed transcripts of letters written by Sharp while the Sharp family, friends, and children's nurses traveled around the world.

Dates: 1921-1922

Hagley Yard maps (copies)

 Collection
Accession: 2375
Abstract:

Alfred Victor du Pont (1798-1856), son of Sophie Madeleine Dalmas (1775-1828) and Eleuthère Irénée du Pont (1771-1834), the founder of the E.I. du Pont de Nemours & Company. He joined the company in 1818, after an explosion that killed thirty-three people. The maps in this collection depict the Hagley yard based on an 1834 survey done by du Pont.

Dates: 1854

Hanford Engineer Works miscellany

 Collection
Accession: 2305
Abstract:

The Hanford Engineer Works in Hanford, Washington, was constructed between 1943 and 1945 to create the plutonium 239 and uranium 235 used in the atomic weapons needed for World War II. Sponsored by the Army Corps of Engineers, E.I. du Pont de Nemours & Company acted as the prime contractor. This collection consists of two items: a memorandum and an organizational chart from the Construction Division of the Hanford Engineer Works.

Dates: 1944

Hardy Jefferson Bowen papers

 Collection
Accession: 2292
Abstract:

Hardy Jefferson Bowen (1913-2003) was an engineer and scientist. He was founder and president of Industrial Models Inc., a company which built scale models as an aid in the construction of oil refineries and chemical plants. This small collection of his papers primarily consist of materials documenting his modelmaking business.

Dates: 1948-1993

Harper's Ferry Paper Co. and Shenandoah Pulp Co. financial blueprints

 Collection
Accession: 0651
Abstract:

Harpers Ferry Paper Company and Shenandoah Pulp Company were established in the late nineteenth century by Thomas H. Savery (1837-1910) along the Shenandoah and Potomac Rivers. This small collection contains a production graph and chart showing financial positions on a comparative basis for the companies.

Dates: 1909-1913

Harper's Ferry Paper Co. and Shenandoah Pulp Co. papers

 Collection
Accession: 0344
Abstract:

Harpers Ferry Paper Company and Shenandoah Pulp Company were established in the late nineteenth century by Thomas H. Savery (1837-1910) along the Shenandoah and Potomac Rivers. The papers contain certificates of incorporation, financial notes, reports and charts on operation costs, statistical data on wood and pulp, inventories of material on hand at the mill, and correspondence with Horace H. Thayer Jr. (1878-1959), Savery's son-in-law.

Dates: 1886-1924

Harry F. Brown papers

 Collection
Accession: 2340
Abstract:

Harry F. Brown (1886-1980) was an electrical engineer and his entire career was devoted to railroad electrification. The collections consists of materials collected by Brown relating to American railroads outside of New England and primarily includes engineering reports and memoranda relating to railroad electrification and electric locomotives and cars.

Dates: 1921-1970; Majority of material found within 1938-1965

Harry Farnsworth Brown papers

 Collection
Accession: 2447
Abstract:

Harry F. Brown (1886-1980) was an electrical engineer, and his entire career was devoted to railroad electrification. The collection consists of personal letters received by Brown, primarily from his father, Harry B. Brown, secretary of the McLagon Foundry Company in New Haven, his mother, his sister Grace, and his uncle Charles S. Brown, professor of mechanical engineering at Vanderbilt University.

Dates: 1901-1950; Majority of material found within 1901-1905

Harry J. Haon family papers

 Collection
Accession: 2559
Abstract:

Harry J. Haon II (1901-1989) and his son Harry J. Haon III (1934-2013) were chemists and lifetime employees of E.I. du Pont de Nemours & Company, and both came to specialize in sales and marketing. The Harry J. Haon family papers are a collection of correspondence, meeting notes/minutes, drawings/maps, journal articles, DuPont publications, papers expressing once classified information about DuPont products, as well as teaching materials for employees who were novice marketing managers, sales personnel and employees in leadership positions. The collection is composed of two series consisting of the papers of Harry J. Haon, II and Harry J. Haon, III. The careers in DuPont of both Haons are well documented.

Dates: 1882-2000

Harry Lobe Straus papers

 Collection
Accession: 2186
Abstract:

Harry Lobe Straus (1896-1949) was an early computer engineer and developer of totalisator or "tote board," an electronic system that printed and issued betting tickets at racetracks, automatically computed the bets and odds, and displayed them on a large board. This collection is a small group of papers preserved by his personal secretary, Christine Behm Nunus (1906-1998). It includes financial statements, business letters, estate papers, and items relating to Straus's biography, "Win. Place. Show."

Dates: 1932-1990

Harvey Bounds reports on Joseph Bancroft & Sons and Eddystone Manufacturing Company

 Collection
Accession: 0494
Abstract:

Harvey Bounds (1893-1982) was the unofficial historian for Joseph Bancroft & Sons Company. The Joseph Bancroft & Sons Company manufactured, bleached, dyed, and finished a variety of cotton-made goods along the Brandywine River in Wilmington, Delaware. This collection is comprised of four reports Bounds collected regarding the history of the company.

Dates: 1931-1961

Harvey family papers

 Collection
Accession: 1211
Abstract:

Thomas William Harvey (1795-1854) was an important inventor in the arts of metalworking and metallurgy. The Harvey family papers primarily relate to Thomas William Harvey and his magnetic experiments. It also includes a biography written by his great-grandson Thomas W. Harvey (1884-1965), articles of association of the Harvey Galvanic Company, and two account books of the Harvey Electro Magnetic Company.

Dates: 1839-1940

Harvey family papers

 Collection
Accession: 1239
Abstract:

Thomas William Harvey (1795-1854) and his son, Hayward Augustus Harvey (1824-1893), were two important inventors in the arts of metalworking and metallurgy. The Harvey Steel Company constructed a furnace for making file and tool steel in Jersey City, New Jersey, in 1887. In 1889, the company erected a much larger plant near Brills Station in Newark, and expanded it into the treating of armor plate. Thomas W. Harvey is represented in this collection by a selection of documents covering his business career. These include deeds to family property. There are small amounts of correspondence regarding his inventions and the patent laws, including an "Essay upon Iron," affidavits regarding his screw machine, and sketches for several inventions. The papers of Hayward Augustus Harvey include copies of patents and drawings of his various inventions and documents arising from patent litigation. However, the bulk of papers concern the Harvey Steel companies and the Harvey process.

Dates: 1796-1913

Haskell Laboratory for Toxicology and Industrial Medicine records

 Collection
Accession: 2739
Abstract:

The Haskell Laboratory was established in 1935 as a Dupont Company research laboratory tasked with identifying potential health risks that could result from DuPont products and processes. DuPont called the laboratory the first of its kind in the United States, and the lab grew to become a respected and influential leader in the fields of occupational safety and toxicology. The records in this collection provide insight into the early motivations for creating the lab. In addition, the various papers, records, and publications document the laboratory’s research interests, business operations, and human resources activities.

Dates: 1930-2013

Heintz Corporation records

 Collection
Accession: 2082
Abstract:

The Heintz Manufacturing Company was originally organized by Leo Heintz in Philadelphia in 1921. The firm initially manufactured all-steel pre-assembled truck bodies but later expanded to produce a wide range of pressed sheet-metal products. The records primarily focus on the company’s contractual obligations with the US Navy during World War II; employee retirement and pension plans; descriptions of various welding processes and tools, and material related to the licensing of cold welding under the trademark, "Koldweld."

Dates: 1921-1990

Helen Baker Cushman business papers

 Collection
Accession: 2175
Abstract:

Helen Baker Cushman (1922-) was the founder and manager of H.M. Baker Associates, consultants in business archives and records from 1958 to 1993, headquartered in Westfield, New Jersey. Her papers consist primarily of correspondence with clients and potential clients; notes, drafts, and printer's mechanicals and negatives for her publications; data files created in the course of her work; and some business publications and ephemera.

Dates: 1853-1992

Helen S. Garret vs. Edge Moor Iron Co. suit

 Collection
Accession: 1216
Abstract:

Helen Sellers Garrett (1857-1946) was one of Wilmington's pioneer businesswomen and served as president of the Labor Commission of Delaware. She was the daughter of one of the Edge Moor Iron Company's founders and granddaughter of abolitionist Thomas Garrett (1789-1871). The collection contains a carbon typescript report of the lawsuit of Helen S. Garrett vs. Edge Moor Iron Company, including financial statements.

Dates: 1941

Hendrick Manufacturing Company records

 Collection
Accession: 2409
Abstract:

The Hendrick Manufacturing Company was the nation's largest manufacturer of perforated screens. The company was founded by an inventor and entrepreneur, Eli E. Hendrick (1832-1909) in 1885 in Carbondale, Pennsylvania and remained in the hands of Hendrick's descendants until the 1980s, when it was sold. Hendrick's business ventures also included refining lubricating oils and cold storage refridgeration for argricultural produce. This collection consists of records detailing businesses founded by Hendrick and his descendants, including lubricating oil, refrigeration, and metal perforation, especially the Hendrick Manufacturing Company.

Dates: 1861-1980; Majority of material found within 1870-1920

Henry A. du Pont and Gustav Schelle correspondence (photocopies)

 Collection
Accession: 1789
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The collection consists of five letters from du Pont to Gustav Schelle (1845-1927) and one from Schelle. The letters mostly express personal friendship and deal indirectly with Schelle's writings on the Physiocraps and du Pont de Nemours.

Dates: 1924-1927

Henry A. du Pont correspondence to J. Simpson Dean family

 Collection
Accession: 1506
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. Two typed letters from du Pont to J. Simpson Dean (1898-1978) and Paulina du Pont Dean (1903-1964) concerning the new private road beginning at the intersection of the two private roads to Eleutherian Mills and Nemours residences.

Dates: 1924

Henry A. du Pont dinner mailing list

 Collection
Accession: 1624
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. On November 10, 1915, du Pont was honored with a dinner put on by the younger men of the family. The collection includes a mailing list for a booklet to commemorate the dinner, along with a booklet which lists those attending, describes the presentation of the gift, and includes the remarks prepared by du Pont.

Dates: 1915

Henry A. du Pont letter to Benjamin W. Austin

 Collection
Accession: 0390
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The letter from du Pont to Benjamin W. Austin (-1898) secretary of Trinity Historical Society in Dallas, Texas from 1885 to 1894, expressing thanks for honor conferred by "your Association."

Dates: 1890 May 24

Henry A. du Pont letter to F.G. Larned (photocopy)

 Collection
Accession: 0305
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The letter from du Pont to F.G. [Frederick G.] Larned (1860-1937) of Poland, New York, explains the position and duties of the man he wishes to employ on his farm at Winterthur.

Dates: 1903 September 26

Henry A. du Pont letter to General James H. Wilson (photocopy)

 Collection
Accession: 1279
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. In February 1889, du Pont wrote General James H. Wilson (1837-1925) about certain Civil War battles and their mutual commander (at different times) George Crook (1828-1890).

Dates: 1889 February 11

Henry A. du Pont letter to Howard M. Jenkins

 Collection
Accession: 0455
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The collection contains a letter du Pont wrote to Howard M. Jenkins (1842-1902), editor of Friends intelligencer (Philadelphia) concerning the nomination of John Hunn (1849-1926) as the Republican candidate for governor of Delaware.

Dates: 1900 September 17

Henry A. du Pont letter to John C. Higgins

 Collection
Accession: 1268
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. On July 21, 1896, du Pont wrote a letter to John C. Higgins (1838-1924) congratulating him on his nomination for Governor of Delaware for the Republican Party.

Dates: 1896 July 21

Henry A. du Pont letters to Benjamin Harrison (photocopies)

 Collection
Accession: 0825
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The collection contains two photocopied letters of du Pont to President Benjamin Harrison (1833-1901) concerning the Republican Party in Delaware prior to the state elections.

Dates: 1892

Henry A. du Pont letters to Daniel Ammen (photocopies)

 Collection
Accession: 0632
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The collection contains two photocopied letters from du Pont to Daniel Ammen (1820-1898), a Naval officer and Chief of the Bureau of Navigation.

Dates: 1887-1888

Henry A. du Pont memorial testimonial scrapbook

 Collection
Accession: 1749
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The leather-bound scrapbook serves as a testimonial to the memory of du Pont. It includes records of the West Point class of 1861, the military record of du Pont, his award for gallantry in action, his obituary from the DuPont Company annual report, and photographs of H. A. du Pont and scenes of West Point in 1861 and 1961.

Dates: 1961

Henry A. du Pont miscellany

 Collection
Accession: 1264
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The collection contains miscellaneous material related to du Pont, including a letter, Christmas cards, invitation to meet the Representatives of the Societies of the Cincinnati, and invitation from the Secretary of the Navy to the unveiling of the statue of Samuel Francis du Pont (1803-1865).

Dates: 1845-1884

Henry A. du Pont will (photocopy)

 Collection
Accession: 0092
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The collection consists of a photocopy of du Pont's will, dated September 5, 1923, and a codicil of January 5, 1926.

Dates: 1923-1926

Henry A. du Pont's Deepwater Point Farm survey and correspondence

 Collection
Accession: 1336
Abstract:

Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. The collection consists of a survey and two letters related to du Pont's Deep Water Point Farm in Salem County, New Jersey.

Dates: 1913

Henry A. Janvier papers

 Collection
Accession: 1925
Abstract:

Henry A. Janvier (1861-1952) was an engineer with the Ferracute Machine Company of Bridgeton, New Jersey, where he had begun work in 1877 as a sixteen-year-old apprentice. Sometime in 1896, Ferracute signed a contract with the Chinese government to build three mints there, two at Wuchang in Hopei Province and one in Chengtu in Szechwan. Janvier served as chief engineer for the project. This collection includes Janvier's letters to his family, in which he describes his 1897 trip to China.

Dates: 1897-1900

Henry Belin du Pont collection

 Collection
Accession: 0178
Abstract:

Henry Belin du Pont (1898-1970) was a research engineer with General Motors and the vice president of E.I. du Pont de Nemours & Company from 1939 to 1963. This collection contains correspondence from several generations of the family from the early nineteenth through the twentieth century, including Francis Gurney Smith (1784-1873), Elizabeth (Eliza) MacKie Smith (1787-1861), Joanna Smith du Pont (1815-1876), Frances du Pont Coleman (1838-1902), Eleuthera "Ella" du Pont Bradford (1848-1906), Eleuthera Bradford du Pont (1873-1953), Alicia Bradford Maddox (1875-1920) and Phoebe George Bradford (1794-1840).

Dates: 1814-1913

Henry Bower Chemical Manufacturing Company records

 Collection
Accession: 1032
Abstract:

Henry Bower Chemical Manufacturing Company was a chemical manufacturing company that primarily produced ammonia. The company was formed in 1906 by the merger of three existing companies. The records include account books, production records, sales records, and inventories.

Dates: 1854-1957

Henry Bower Chemical Manufacturing Compay records

 Collection
Accession: 1070
Abstract:

Henry Bower Chemical Manufacturing Company was a chemical manufacturing company that primarily produced ammonia. The company was formed in 1906 by the merger of three existing companies. These records include account books, production records, sales records, and inventories.

Dates: 1854-1957

Henry Disston & Sons, Inc. and subsidiary firms account books

 Collection
Accession: 2414
Abstract:

Henry Disston & Sons, Inc. was a major manufacturer of saws and other woodworking tools and one of the largest industrial firms in Philadelphia. The Henry Disston & Sons, Inc. had a number of subsidary companies, these records contain a small number of account books from only three of the firms subsidaries. There are accounts for: the Tacony Fuel Gas Company, the Henry Disston & Sons File Company, Limited, and the Henry Disston & Sons Iron & Steel Works, and an insurance ledger from the Estate of Henry Disston.

Dates: 1824-1918; Majority of material found within 1867-1907

Henry du Pont incoming letters (photocopies)

 Collection
Accession: 0576
Abstract:

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The collection contains two photocopied letters to du Pont, one from his nephew, James Irenee Bidermann (1817-1890), and the other letter from his sister, Sophie Madeleine du Pont (1810-1888).

Dates: 1825; 1881

Henry du Pont letter to James C. Aiken

 Collection
Accession: 2223
Abstract:

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). In the letter to James C. Aiken (1806-1884), du Pont agrees to sign a letter of recommendation for a political appointment to president-elect Grant (1822-1885).

Dates: 1869 February 8

Henry du Pont letter to John M. Clayton

 Collection
Accession: 0403
Abstract:

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). In 1854, du Pont wrote a letter to Senator John M. Clayton (1796-1856), requesting assistance in securing an appointment for his son, Henry A. du Pont (1838-1926), to the United States Military Academy at West Point.

Dates: 1854 March 23

Henry du Pont letters (photocopies)

 Collection
Accession: 0588
Abstract:

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The collection is comprised of photocopied of typescript copies of letters of du Pont to and from his family.

Dates: 1829-1837

Henry du Pont letters (photocopies) and Pierre Samuel du Pont de Nemours autobiography (typescript)

 Collection
Accession: 1903
Abstract:

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The collection consists of photocopied letters from Henry du Pont (1812-1889) and typescript of Pierre Samuel du Pont de Nemours (1739-1817) autobiography he wrote in 1792. The letters are from sisters Eleuthera du Pont Smith (1806-1876) and Sophie Madeleine du Pont (1810-1888), as well as William Tecumseh Sherman (1820-1891) and M. Saito of the Japanese Navy.

Dates: 1811-1887; 1792

Henry du Pont release of mortgage to Anna B. Stidham

 Collection
Accession: 0495
Abstract:

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). In the year before he died, du Pont released a mortgage he held to Anna B. Stidham (1854-1918) for land in New Castle County, Delaware.

Dates: 1888 October 22

Henry du Pont, U.S. Military Academy records (photocopies)

 Collection
Accession: 1705
Abstract:

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The papers relating to du Pont's enrollment and time at the U.S. Military Academy at West Point, including letters from Callender Irvine (1775-1841), Peter B. Porter (1773-1844), E.I. du Pont (1881-1834); du Pont's obituary as published in the 1890 annual reunion of the Association of Graduates Office at the Academy; and a roster of the West Point class of 1833.

Dates: 1828-1890

Henry family papers

 Collection
Accession: 1209
Abstract:

The Henry family were armsmakers who operated a family gun manufactory in eastern Pennsylvania for five generations. The records of the Henry family document the line leading from the first William to Granville, with some records of William, III. The main body of records deals with the operation of the Boulton Gun Works, its predecessor operation at Nazareth and the associated gun shop and store in Philadelphia.

Dates: 1758-1909

Henry Hemmendinger papers

 Collection
Accession: 2325
Abstract:

Henry Hemmendinger was one of the preeminent color scientists of his day. Hemmendinger's papers represent the span of his career and includes contributions from a variety of individuals and organizations working the field of color science.

Dates: 1931-2000, bulk 1960-1985

Henry J. Burt patent papers

 Collection
Accession: 2839
Abstract:

Henry J. Burt (1895-1970) invented a batting and pitching apparatus known as the "Pitchin' Pete" in the 1960s. Burt was a research professor at the University of Missouri and a clergyman in Newfields, New Hampshire. This small collection illustrates the U.S. patent application process for Burt's invention. In September 1963, Burt met with patent attorney Norman S. Blodgett (1921-1991) and engaged his services in patenting his batting and pitching apparatus. The collection consists of correspondence between Burt and Blodgett regarding the patent application process, billing, licensing, and product specifications. The batting and pitching practice apparatus patent is included in the collection, along with Burt's drawings, prior art, and product figures. This collection would be useful to those interested in how a product concept develops from ideation through patent protection to manufacturing.

Dates: 1963-1969

Henry Miller oral history interview transcript

 Collection
Accession: 2355
Abstract:

Henry Miller (1845-1926) was first employed at the Brandywine Works of E.I. du Pont de Nemours & Company. In 1922, he was one of the oldest surviving employees when he was interviewed by Alfred I. du Pont (1864-1935). In the interview, Miller describes the layout of the Brandywine Works as it changed over time, as well as the various apparatus and processes used in the manufacture of gunpowder and its constituent ingredients.

Dates: 1922

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Du Pont family 178
E.I. du Pont de Nemours & Company 122
Du Pont de Nemours, Pierre Samuel, 1739-1817 49
Du Pont, Samuel Francis, 1803-1865 30
Pennsylvania Railroad 23
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Du Pont, Sophie Madeleine, 1810-1888 19
Du Pont, Eleuthère Irénée, 1771-1834 17
RCA Corporation 17
Du Pont, H. A. (Henry Algernon), 1838-1926 16
United States. Navy 15
Du Pont de Nemours, Francoise Robin Poivre, 1748-1841 14
Savery, Thomas H., 1837-1910 13
E.I. du Pont de Nemours & Company. Experimental Station 12
Du Pont, Pierre S. (Pierre Samuel), 1870-1954 11
Joseph Bancroft & Sons Co 11
Pusey and Jones Company 11
Du Pont, Victor Marie, 1767-1827 10
Du Pont, Francis Gurney, 1850-1904 9
Du Pont, Henry, 1812-1889 9
Pusey & Jones Corporation 9
Carothers, Wallace Hume, 1896-1937 8
E.I. du Pont de Nemours & Company. Textile Fibers Department 8
Longwood Gardens (Kennett Square, Pa.) 8
Crowninshield, Louise du Pont, 1877-1958 7
E.I. du Pont de Nemours & Company. Organic Chemicals Department 7
Gilpin, Joshua, 1765-1841 7
Jackson Laboratory (E.I. du Pont de Nemours & Company) 7
Philadelphia & Reading Railroad Co 7
Southeastern Pennsylvania Transportation Authority 7
Unknown 7
Bethlehem Steel Corporation 6
E.I. du Pont de Nemours & Company. Grasselli Chemicals Department 6
General Electric Company 6
Greenewalt, Crawford H., 1902-1993 6
Loewy, Raymond, 1893-1986 6
Manhattan Project (U.S.) 6
Maxim, Hudson, 1853-1927 6
National Association of Manufacturers (U.S.) 6
Young, William, 1755-1829 6
Amtrak 5
Baldwin Locomotive Works 5
Bauduy, Peter, 1769-1833 5
Bauduy, Victorine du Pont, 1792-1861 5
Du Pont, Alfred Victor, 1798-1856 5
E.I. du Pont de Nemours & Company. Central Research and Development Department 5
Hanford Engineer Works 5
International Business Machines Corporation 5
Lukens Steel Company 5
Penn Central Transportation Company 5
Radio Corporation of America 5
Smith, Eleuthera du Pont, 1806-1876 5
Sperry Rand (Corporation). Univac Division 5
Staël, Madame de (Anne-Louise-Germaine), 1766-1817 5
Thayer, Horace H., 1878-1959 5
University of Delaware 5
Bradford, Phoebe George, 1794-1840 4
Brandywine Manufacturers Sunday School 4
Centennial Exhibition (1876 : Philadelphia, Pa.) 4
Central Railroad of New Jersey 4
DeMirjian, Charles H., 1925-2021 4
Du Pont, Bauduy & Company 4
Du Pont, Irénée, 1876-1963 4
Du Pont, Margaretta Lammot, 1807-1898 4
Du pont, Sophie Dalmas, 1775-1828 4
E.I. du Pont de Nemours & Company. Brandywine Works 4
E.I. du Pont de Nemours & Company. Development Department 4
E.I. du Pont de Nemours & Company. Engineering Department 4
E.I. du Pont de Nemours & Company. Executive Committee 4
E.I. du Pont de Nemours & Company. Explosives Department 4
E.I. du Pont de Nemours & Company. Pioneering Research Laboratory 4
Eddystone Manufacturing Company 4
General Motors Corporation 4
Hagley Museum and Library 4
Krider, John 4
Laird, W. W. (William Winder), 1910-1989 4
Lehigh Coal and Navigation Company 4
Massachusetts Institute of Technology 4
May, Sophie du Pont, 1900-2001 4
Reading Company 4
Savery, William H., 1865-1949 4
Singer Manufacturing Company 4
Victor Talking Machine Company 4
William Sellers & Co. (Philadelphia, Pa.) 4
American Iron and Steel Institute 3
American Telephone and Telegraph Company 3
Baltimore and Ohio Railroad Company 3
Baughman, James P. 3
Bell Telephone Laboratories 3
Bethlehem Steel Company 3
Bidermann, Evelina du Pont, 1796-1863 3
Brandywine Hundred (Del.) 3
Budd Company 3
Christiana Hundred (Del.) 3
Copeland, Lammot du Pont, 1905-1983 3
Curtis Paper Company 3
David Sarnoff Library 3
Du Pont de Nemours, Pere et Fils & Cie 3
Du Pont, Alexis I. (Alexis Irénée), 1843-1904 3
Du Pont, Alfred I. (Alfred Irénée), 1864-1935 3
Du Pont, Amelia, 1796-1869 3
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