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.

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.

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.

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.

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 to Andrew Hull Foote (1806-1863) says du Pont is enclosing autographs of members of the Japanese Embassy, although the enclosures are missing.

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. The letter from du Pont to John E. Hoey (1837-1896) concerns the transport of invalid seamen northfrom from the South Atlantic Bloackade Squadron.

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 from du Pont to Charles Wilkes (1798-1877) expresses regret over news of Wilkes being court-martialed.

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. The letter from du Pont to George H. Stuart (1816-1890) is declining an invitation to speak as a Navy representative at an anniversary celebration of the Christian Commission.

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. The letter from du Pont to Navy Officer, Gustavus Vasa Fox (1821-1883) discusses the possibility of saltpeter shortage in the Union in the early years of the Civil War.

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 to John A. Dahlgren (1809-1870) is seeking his opinion in regard to a small steam cutter, Altheron, available for purchase.

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. The letter to Major General David Hunter (1802-1886) asks for permission to see three deserters from the Confederate States Navy.

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 from du Pont to R.C. Winthrop (1809-1894) includes an invitation to visit.

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 to Senator James A. Bayard (1799-1880) is upon arrival of the USS Minnesota, which was commanded by du Pont, in Hong Kong.

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 from du Pont to Theodore Sedwick (1811-1859) concerning administrative arrangements for an exhibit du Pont was superintendent at the World's Fair in New York.

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 letters written to Oscar B. Sawyer (1838-1887) and Ben Perley Poore (1820-1887).

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 five photocopied letters are related to his term in the Navy, four from his time in the Pacific, and one dealing with the South Atlantic blockade during the Civil War.

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. Andrew Hull Foote (1806-1863) was a Rear-Admiral in the United States Navy and fought in the Civil War and contributed to several naval reforms prior to the war. This collection consists of two letters, one from Samuel Francis du Pont to Foote in regards forwarding misdirected mail, as both were commanding ships in the China Sea. The second letter is from du Pont's father to a Naval Officer about Samuel Francis du Pont's experience aboard a ship.

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 three photocopy letters are related to his term in the Navy, one from his early career in 1820 and two letters from 1863 during the Civil War.

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 an original letter and photocopies of letters regarding cost for Abraham Hart (1810-1885) publishing an essay by Henry Winter Davis (1817-1865) on the doctrine of intervention and non-intervention in diplomacy and international affairs.

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 two letters from du Pont to Charles G. Halpine (1829-1868) are written during the Civil War and relate to ironclads and the evacuation of Charleston, South Carolina.

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. The collection contains letters to Joel Turrill (1794-1859) and Joseph Henry (1797-1878). The letters to Turrill are personal in content, referring to their friendship which dated back to 1845 when they both served on the U.S.S. Congress. The letter to Henry references controvery in the Senate involving Henry, likely concerning the Light-House Board.

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). His papers document du Pont's professional and personal life against the background of the pre-Civil War service.

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 is a microfilmed selection of du Pont's correspondence with contemporaries, primarily Alexander Dallas Bache (1806-1867). The letters concern Civil War activities, especially the use of ironclads in naval operations.

The Crofton and Shubrick families were descendants of a prominent French American diplomat and businessman, Victor Marie du Pont (1767-1827), and represent middle-class American women in the nineteenth and twentieth centuries. This collection primarily consists of the papers of Gabrielle Josephine Crofton (1873-1952) and Mary Ethel Crofton Hunt (1875-1962), daughters of Gabrielle Shubrick Crofton (1835-1894) and Robert E.A. Crofton (1834-1898). It includes diaries, autograph book, notebook, and letters.

The Singer Manufacturing Company was the world's leading producer of sewing machines. It was established in 1851 as the Singer Company, the successor to I.M. Singer & Co. Isaac M. Singer (1811-1875) patented improvements to initial inventions that resulted in the first commercially viable sewing machine. This is a small collection of letters written to the company, primarily from agents, regarding how work has been impacted by the American Civil War (1861-1865).

The Society for the Promotion of Engineering Education, which was founded in 1893 and became part of the American Society for Engineering Education in 1946, was a professional society of engineering school deans, professors, practicing engineers, and industry executives. During the 1930s and 1940s, Dugald C. Jackson (1865-1951), Professor of Electrical Engineering at MIT, served as executive director. MIT president Karl Compton (1887-1954) and Gerard Swope (1872-1957) from the General Electric Company were active members. This collection of correspondence consists largely of letters between Jackson, Swope, and Compton, which document their efforts to shape the curriculum at major engineering schools.

The Soo Hardware Company was a full-service hardware wholesale and retail store located in Sault Ste. Marie, Michigan. It carried a complete line of building materials, plumbing and electrical supplies, stoves and furnaces, major and minor domestic appliances, housewares, sporting goods, and bicycle and auto parts. The records consist of inbound correspondence received between the years 1911 and 1918. The bulk of the correspondence consists of sales letters and invoices from manufacturers and wholesalers, covering the wide range of semi-finished and manufactured goods sold by the Soo Hardware Company. A large number appear to be unsolicited mailings from salesmen, while others document a long working relationship.

Sophie du Pont Ford (1871-1957) was the daughter of Victor du Pont (1828-1888) and Alice Hounsfield du Pont (1833-1904) and the wife of Bruce Ford (1873-1931). The letter indicates Ford is giving a lacquered Chinese-work box to her niece, Greta du Pont Barksdale Brown (1924-2014).

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

Sophie Madeleine du Pont (1810-1888) was the youngest daughter of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828), and the wife of Samuel Francis du Pont (1803-1865). The collection contains twelve letters and documents regarding the du Pont family, discussing family and church news, as well as a letter from Samuel B. Brown regarding the Brandywine Manufacturers' Sunday School.

Sophie Madeleine du Pont (1810-1888) was the youngest daughter of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828), and the wife of Samuel Francis du Pont (1803-1865). The letter to Eliza Gardner (Henderson) Jones (1826-1877) concerns family matters and the Civil War.

Sophie Madeleine du Pont (1810-1888) was the youngest daughter of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828), and the wife of Samuel Francis du Pont (1803-1865). The letter from du Pont to Lammot du Pont (1831-1884) concerns the disposal of a book of her husband's on marine artillery.

Sophie Madeleine du Pont (1810-1888) was the youngest daughter of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828), and the wife of Samuel Francis du Pont (1803-1865). In the letter to Mary Ann (Hogg) Brunot (1822-1899), du Pont thanks her for a sermon Brunot sent and reflects du Pont's concern with religious and domestic matters.

Sophie Madeleine du Pont (1810-1888) was the youngest daughter of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828), and the wife of Samuel Francis du Pont (1803-1865). The letter from du Pont to Theophilus Parsons Chandler (1807-1887) concerns her trip to White Sulphur Springs, Virginia, with her husband Eliza J. Schlatter (1809-1892).

Sophie Madeleine du Pont (1810-1888) was the youngest daughter of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828), and the wife of Samuel Francis du Pont (1803-1865). The two letters to Henry Ferris (1855-1941), a printer in Wilmington, Delaware, concern a religious tract and a subscription to the Wilmington Weekly.

William Corbit Spruance (1873-1935) was an electrical engineer and Vice President in Charge of Production at E.I. du Pont de Nemours & Company. His wife, Alice Moore Lea Spruance (1876-1967), was a member of a Wilmington, Delaware, flour-milling dynasty. Spruance family miscellany contains threes letters, two regarding a forestry bill and one a thank you letter. Additionally, there are two copies of a newspaper article titled "This was the Civil War".

The Spruance family was a well-known family in Delaware. The family includes Senator Presley Spruance (1785-1863), Judge William C. Spruance (1831-1913), William Spruance (1873-1935), among many others. The collection includes material related to the genealogy of the Spruance family of Delaware, particularly correspondence from and to members of the Spruance family regarding their genealogy and the book compiled by William Spruance, The Spruance family in Delaware, 1733-1933.

The collection consists of correspondence, legal papers, notebooks, and memorabilia relating to the Tallman family, although the bulk of materials pertain to Frank Gifford Tallman.

Thomas H. Savery (1837-1910) was president of Pusey, Jones and Company, a shipbuilder and papermaking machinery manufacturer in the late nineteenth and early twentieth centuries. In 1864 he married Sarah Pim Savery (1837-1928). This collection consists of ther business and personal papers of Thomas H. Savery, primarily related to his papermaking machinery ventures, and twenty-nine diaries of Sarah Pim Savery.

The majority of the records for the parent company consist of correspondence, both incoming and outgoing, primarily generated by or for company officers and/or directors.

Victor Marie du Pont (1767-1827) was a French diplomat. In 1794, he married Gabrielle Joséphine de La Fite de Pelleport (1770-1837), and a year later they came to the United States, where he was appointed as consul at Charleston, South Carolina. They returned to France in 1798, but came back to the United States in 1800 with their children; his father, Pierre Samuel du Pont de Nemours (1739-1817); and his younger brother, Éleuthère Irénée du Pont (1771-1834), and his family. Victor and Joséphine du Pont had five children, four surviving to adulthood: Amelia Elizabeth (1796-1869), Charles Irénée (1797-1869), Samuel Francis (1803-1865), and Julia Sophie (1806-1882). (The papers of Samuel Francis Du Pont, husband of Sophie Madeleine Du Pont, are held in Group IX of the Winterthur Manuscripts.) The collection is arranged into three series: Amelia du Pont papers, Charles Irénée du Pont and his wives' papers, and Julia (du Pont) Shubrick and her husband, Irvine Shubrick papers. The papers consist primarily of personal correspondence with family and friends.

Victorine Elizabeth du Pont (1825-1887) was the daughter of Alfred Victor du Pont (1798-1856), senior partner in E.I. du Pont de Nemours & Company, and Margaretta Elizabeth (Lammot) du Pont (1807-1898), and the wife of Peter Kemble (1825-1887). Her papers contain miscellaneous material related to the du Pont family, including bills for her trousseau, autograph album, and correspondence from her mother, daughter, and grandson.

Wallace Hume Carothers (1896-1937) was a chemist and inventor of neoprene artificial rubber and nylon synthetic fiber. He worked as a chemist in E.I. du Pont de Nemours & Company's Fundamental Research Program from 1928 until his death in 1937. John Raven Johnson (1900-1988) was a professor of chemistry at Cornell University from 1930 until his retirement in 1965. He also served as a consultant to E.I. du Pont de Nemours & Company from 1937 until 1951, where he worked for the Organic Chemicals Department. This collection consists of a single short note from Carothers to Johnson thanking him for his recent hospitality.

Wallace Hume Carothers (1896-1937) was a chemist and inventor of Neoprene artificial rubber and Nylon synthetic fiber. He worked as a chemist in E.I. du Pont de Nemours & Company's Fundamental Research Program from 1928 until his death in 1937. From 1915 to 1920, he attended Tarkio College in Missouri as a science major. This collection of Carothers' letters was written to and preserved by a close friend, Wilko Gustav Machentanz (1895-1973), with whom Carothers roomed for two of his years at Tarkio. The bulk of the letters were written between 1917 and 1922, before Carothers became absorbed in his doctoral studies, although the two corresponded as late as 1936.

Wallace Hume Carothers (1896-1937) was a chemist and inventor of Neoprene artificial rubber and Nylon synthetic fiber. He worked as a chemist in E.I. du Pont de Nemours & Company's Fundamental Research Program from 1928 until his death in 1937. This collection consists of photocopies of fourteen letters written by Carothers to his former college girlfriend from Missouri, Frances Gelvin Spencer, between 1929 and 1933. The nature of the letters is almost entirely personal.

Walter S. Carpenter, Jr. (1888-1976) was an industrialist, philanthropist, and former President and Chairman of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. This collection of personal papers of Carpenter, Jr. consists primarily of letters to family, friends, and business associates, as well as financial information records. The papers date from 1916 to 1976.

Wilhelmina du Pont (1906-2000) was the daughter of William K. du Pont (1875-1907) and Ethel Hallock (1876-1951), a fourth generation descendent from E.I. du Pont (1771-1834). The letters are to Wilhelmina du Pont from her cousin Alice (Belin) (Mrs. Pierre S. du Pont) (1872-1944); mother Ethel (Mrs. William Kemble du Pont); cousin Alice (du Pont) (Mrs. T. Coleman du Pont) (1863-1937); and uncle Pierre S. du Pont (1870-1954).

William Branford Shubrick (1790-1874) was an officer in the U.S. Navy and served from 1806 to 1861, including service in the War of 1812, the Mexican-American War, and retired in the early months of the Civil War. The collection includes letters to Shubrick from Charles Henry Davis (1807-1877) and Samuel Francis du Pont (1803-1865) in appreciation of his naval services.

William Spruance (1873-1935) was an electrical engineer and corporate officer in the DuPont Company. The collection contains letters about shares in the E.I. du Pont de Nemours Powder Company awarded under the company's bonus system.

William Deas (1768-1806) was a merchant in Philadelphia, Pennsylvania. Initially, Deas was in a partnership with David Knox (dates unknown) and James Henderson (1756-1801) Knox, Henderson, and Co., which formed in 1796. After that partnership was dissolved, William Deas and David Knox formed a new partnership, Knox and Deas, located at 30 Front Street in Philadelphia. The business imported and sold textiles and garment-making items as well as dry goods and other things. This collection consists of a letterbook of approximately 175 pages of business transactions from William Deas to his business partner, English merchant David Knox, from 1800 to 1803 inclusively.