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Showing Collections: 751 - 800 of 1814

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

Harry R. Hippler collection of Pennsylvania Railroad negatives

 Collection
Accession: 2015-279
Abstract:

The Pennsylvania Railroad Company was the largest railroad in the United States in terms of corporate assets and traffic from the last quarter of the nineteenth century until the decline of the northeast's and midwest's dominance of manufacturing. Harry Richmond Hippler (1875-1958) was a pharmacist in Philadelphia, Pennsylvania and an avid amateur photographer. This collection contains negatives primarily of Pennsylvania Railroad (PRR) train cars, both interior and exterior views. There are also images of train tracks, bridges, construction and other railroad related images. The bulk of the photographs date from the 1910s through the 1940s. It is possible that Harry R. Hippler was the photographer of some of the photographs in the collection.

Dates: 1832-1947; Majority of material found within 1905-1945

Harry Tubis New Castle County and Chester County aerial photographs

 Collection
Accession: 1977-202
Abstract:

The collection consists of 46 nitrate negatives and one folio filled with 46 vertical aerial photographs of New Castle County, Delaware and the surrounding areas, including nearby southern Chester County, Pennsylvania. The flight altitude was approximately 25,000 feet and the resulting vertical photographs had a scale of approximately 1 inch to 3,100 feet.

Dates: 1940

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

Hayden & Crouch chairs and rockers photographs

 Collection
Accession: 1996-216
Abstract:

Hayden & Crouch were in the chair manufacturing business for a ten-year period from 1888 to 1898 in Rochester, New York. No mention is made of Hayden & Crouch after the 1898 directory. The album contains pictures of thirty-five wooden chairs, some with casters, some rocking chairs.

Dates: circa 1890

Hay's Fruit Juice Company album

 Collection
Accession: 1989-239
Abstract:

The Hay’s Fruit Juice Company produced “Hay’s Five Fruit,” fruit juice syrup used to make and flavor beverages and desserts. The company was founded in 1900 in Portland, Maine. The Hay’s Fruit Juice Company album contains photographs and advertisements. The photographs are primarily of the factory’s interiors.

Dates: 1923

Hazard Powder Company and the Market Street covered bridge photographs

 Collection
Accession: 1984-267
Abstract:

The Hazard Powder Company was one of the largest gunpowder and explosives manufacturers in the United States in the late-nineteenth century. This group consists of six mounted photographs showing unidentified buildings and the dam at the Hazard Powder Company in Connecticut. An unrelated print shows a covered bridge photographed in winter that crossed the Brandywine River at 16th Street in Wilmington, Delaware.

Dates: 1885-1900

Hazard Powder Company photographs

 Collection
Accession: 2020-205
Abstract:

The Hazard Powder Company was one of the largest gunpowder and explosives manufacturers in the United States in the late-nineteenth century. This small collection consists of fourteen photographs of views of Hazard Powder Company buildings. None of the images are dated, however, they appear to date from circa 1890s to the 1900s.

Dates: circa 1890s-1900s

Hazle Edens collection of du Pont family graphic materials

 Collection
Accession: 1982-323
Abstract:

Henry du Pont (1812-1889) was the second son of Eleuthère Irénée du Pont (1771-1834) and senior partner of E.I du Pont de Nemours & Company from 1850 to 1889. The collection consists of materials relating to the descendants of Henry and Louisa Gerhard du Pont. Primarily, the collection consists of portraits and other photographs of their daughters Evelina, Ellen, Louisa, Sara, Victorine, Sophie and other family members.

Dates: circa 1840-1940

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 Baker Cushman picture collection

 Collection
Accession: 1998-270
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. In the course of conducting her business, Cushman collected a wide variety of business publications, trade cards, ephemera, and other memorabilia with special emphasis on world expositions. She also assembled her own general picture archive for use in her business.

Dates: circa 1700-1993

Helen Lasser collection of matchbook covers

 Collection
Accession: 2015-305
Abstract:

A match cover or a matchbook cover is a thin piece of cardboard that is folded around a set of match sticks. Chemist, John Walker (1781-1859) invented the match stick in 1827. Joshua Pusey (1842-1906?), an inventor and attorney patented matchbook covers in 1892. Within a short time hotels, restaurants, airlines, and all kinds of stores began advertising using matchbook covers. This is a small collection of matchbook covers from restaurants, hotels, and various local businesses.

Dates: 1960s-1970s

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 photographs

 Collection
Accession: 2009-224
Abstract:

The Hendrick Manufacturing Company was the nation's largest manufacturer of perforated screens. This small collection consists of photographs which primarily show exterior views of the plant, and some interior views as well as photographs of the company's products and personnel.

Dates: circa 1900-1977

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

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Repository
Manuscripts and Archives 1025
Audiovisual Collections 785
Published Collections 4
 
Subject
Correspondence 266
Railroads 126
Advertisements 112
Gunpowder industry 95
Social history 95
∨ more
Chemical industry 87
Exhibitions 73
Explosives industry 72
Financial statements 65
Textile industry 60
Steel industry and trade 52
Research, Industrial 50
Account books 48
Ephemera 48
Patents 48
Textile fibers, Synthetic 47
Reports 46
Diaries 43
Exhibition buildings 43
Iron industry and trade 43
Photograph albums 43
Portraits 41
Electronic industries 40
Aeronautics 39
Minutes 38
Scrapbooks 38
Postcards 36
Construction projects 35
Domestic relations 35
Group portraits 35
Ships 35
World War, 1939-1945 35
Factories 34
Inventors 34
Wilmington, Del. 34
Du Pont family -- Homes and haunts 33
Industrial chemists 33
Industrial design 33
Oral histories 32
Marketing 31
Panoramic photographs 30
Railroads -- Rolling stock 30
Automobile industry and trade 29
Testing laboratories 29
Genealogies 28
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Papermaking 27
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Dyes and dyeing 26
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Weapons industry -- Employees 26
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Gunpowder, Smokeless 23
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World War, 1914-1918 23
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Aerial photographs 21
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Chemical plants 21
Packaging -- Design 21
Pennsylvania 21
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Computer industry 20
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United States -- History -- Civil War, 1861-1865 20
Banks and banking 19
Iron and steel workers 19
Maps 19
Mechanical engineering 19
Philadelphia (Pa.) 19
Steel-works 19
Stores, Retail 19
Electric industries 18
Gardens 18
Industrial films 18
Industrial housing 18
Industrial relations 18
Nylon 18
Railroads -- Rolling stock -- Design and construction 18
Speeches 18
Commerce 17
Cotton manufacture 17
Finishes and finishing 17
Firearms 17
Historic sites 17
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Railroads -- Buildings and structures 17
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Laboratory notebooks 16
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Language
English 1758
French 68
German 4
Italian 2
Spanish; Castilian 1
 
Names
Du Pont family 214
E.I. du Pont de Nemours & Company 208
Unknown 61
Du Pont de Nemours, Pierre Samuel, 1739-1817 50
Pennsylvania Railroad 43
∨ more
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 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
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 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 Powder Company 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
Smith, Eleuthera du Pont, 1806-1876 5
Staël, Madame de (Anne-Louise-Germaine), 1766-1817 5
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