Finding Aids

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.

The Wallace family general store was a country store established by Robert Wallace (1721-1793) when he purchased land in what is now East Earl Township northeast of the town of Lancaster around 1761. The records of the Blue Ball store are somewhat unusual because they cover a single rural enterprise over a long period that coincides with the change from near-frontier conditions to intensive agricultural development. All of the records are typical storekeeper's account books: day books, ledgers and cash books. There is also an arithmetic copy book, circa 1790, that belonged to Thomas Wallace (1785-1871), the youngest son of Robert Wallace.

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.

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 small collection consists of a mixture of materials collected in the decades following Carothers death related to the development of Nylon and polymerization. Included are reprinted articles, patent applications, biographical materials, and newspaper clippings.

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 small collection consists of Carothers' professional and technical correspondence, primarily with colleagues in the Chemistry Department at Iowa State University, Harvard, and the DuPont Company. The papers describe the DuPont Company's recruitment of Carothers and his work on polymerization, which led to the development of Nylon.

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

Wallis Gartside Hines (1919-2014) was a chemical engineer employed at the Kankakee Ordnance Works from 1942 to 1943, a war plant of E.I. du Pont de Nemours & Company located south of Joliet, Illinois. His notes describe the steps to be followed in the manufacture and refining of sodium and lead azide and for the laboratory analysis necessary for quality control.

Walt Biddle (1925-1995) was a gardener in the household of Louise du Pont Crowninshield (1877-1958) and Francis B. Crowninshield (1869-1950) at Eleutherian Mills in Greenville, Delaware. In his oral history interview transcript, Biddle describes the Crowninshields and life at Eleutherian Mills in the 1940s and 1950s.

Walter D. Gernet (1878-1928) was a civil engineer who worked for the Public Works Department in Philadelphia for fifteen years. After losing his position in 1918, he spent his remaining ten years working various engineering jobs. This collection of Gernet's diaries chronicles his daily life and covers eight years from the end of World War I until 1925. The diaries offer a view of an average workingman's day-to-day activities in a large urban center. This collection of diaries would be of great interest to social historians, especially those focused on early twentieth-century life in the greater Philadelphia area. Its detail encompasses work, family life, and interactions between family members and friends in the wider community.

Walter Ervin Burton (1903-1995) was a technical writer, photographer, and inventor. He worked as a staff photographer and reporter for the Akron Times, Time Press, and Herald Publishing Companies. He became a freelance writer in 1927, contributing hundreds of articles to various magazines. This collection consists of nine handwritten diaries detailing the life and work of Walter E. Burton. As a freelance writer and inventor, Burton worked at home, creating and/or researching mechanical projects and writing them up for journals. He spent much of his time puttering and experimenting in his basement, meticulously recording each project, its completion, amounts paid him, etc. All of the diaries contain full-page entries for each day of the year. The run of diaries is incomplete; years included are 1957, 1960 to 1962, 1982, and 1984 to 1987. Researchers interested in the development and process of analyzing the mechanics of devices would find this collection of particular significance.

Walter E. Trabbold (1921- ) was vice president of the Bank of Delaware from 1968 to 1981, and spent forty-one years in the banking industry. He was a pioneer in bank automation, bank information systems, and cash management systems. The papers include Trabbold's personal collection of technical bulletins, annual reports, correspondence, several of his publications on the banking industry, as well as newspaper clippings and other material related to data and information management systems related to banking.

Walter Magee Annettee (1874-1955) was a DuPont Company dynamite salesman, who was based in Birmingham, Alabama. E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The company was established in 1802 by Pierre Samuel du Pont de Nemours and his son Eleuthère Irénée du Pont the company began with the production of gunpowder. These are illustrated envelopes advertising DuPont Company smokeless powder and blasting powder; Giant powder (a product of Atlantic Dynamite Co.); Atlas powder (a product of Repauno Chemical Co.); and Hercules powder (a product of Hercules Powder Co.).

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.

The Walter Scott & Company was a major manufacturer of printing presses, particularly the large high-speed presses and folding machines used by newspapers. The records include correspondence of the company founder, Walter Scott (1844-1907) both in Chicago and Plainfield. Business papers include some material relating to patents, and statements, reports, contracts, payroll summary sheets, price lists and legal papers dating from the period of his widow Isabella Scott's (1851-1931) management. It is a fragmentary collection covering various aspects of the history of the firm and not a comprehensive record.

Ward and Gow, a New York advertising agency, is credited as one of the first firms to "systematize" advertising in the New York subway and elevated marketplace. These fifteen photographs document advertising on New York City elevated train platforms and on subway cars. Each photo's location is given in the lower right side of the image.

The Warner Company produced lime, sand, and gravel, as well as products derived from those raw materials, such as hydrated lime for agricultural, chemical, construction, and domestic use, plaster, masonry, cement, and concrete. This collection consists of photographs, negatives, advertisements, lantern slides, 35mm slides, and albums from the Warner Company from about 1900 through 1970; the bulk of the material dates to about 1925 to 1955.

The Warren-Ehret Company was a Philadelphia roofing company founded in 1883. This collection consists of 259 images from three unbound albums which were used as sales portfolios to show the variety and extent of Warren-Ehret's roofing jobs on a variety of buildings.

Waugh Equipment Company manufactured equipment for the production of railway cars. One of their main products was draft gears. The Waugh-Gould Laboratory tested equipment for strains, vibrations, and noises. This collection contains identified prints showing the complete production processes used to fabricate draft gears used in freight cars and locomotives.

Wawaset Park was a planned residential community built by the DuPont Company around 1918 for its executives in Wilmington, Delaware. These panoramic photographs depict construction of homes and overall views of area, street scenes, and pictures of individual houses.

Wawaset Park was a planned community, commissioned by the DuPont Company for its company executives. The records describe the park, its residents, and history through corporate records, maps and deeds of the property, lists of corporate officers and residents, as well as histories of the park, the City of Wilmington, and the state of Delaware.

Wayne W. Light (1882-) was a lawyer andlight delivery vehicle inventor. The collection consists of items amassed by Light to document his attempts to become an automotive inventor and manufacturer.

Wendell Lewis Willkie (1892-1944) was an American lawyer and utilities executive who served as the Republican Party nominee in the 1940 presidential election. This item is an amateur silent film by an unidentified filmmaker depicting scenes of Willkie's presidential campaign parade in downtown Wilmington, Delaware.

West Chester Street Railway Co. offered trolley service to Chester County, Pennsylvania, residents from 1890 to 1929. This collection consists of two account books and one stock record book. These volumes would be useful for researchers interested in the operating expenses of early twentieth-century light rail companies and railroad accounting practices.

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

The Westinghouse Machine Company began in 1880, and the company's first contract to build a turbine dates to 1896. The album contains a variety of images of products and facilities related to the Westinghouse Electric and Manufacturing Company. These include photographs of equipment such as boilers, generators, mechanical stokers, pumping machinery and turbines.

The Westinghouse Machine Company manufactured gas and steam engines, turbines and mechanical stokers. This is one sixteen-page copy of the Westinghouse Electric & Manufacturing Company magazine from the South Philadelphia plant.

The Industrial Research Unit of the Wharton School of the University of Pennsylvania mission was to "study the economic and social problems of business." Herbert Roof Northrup (1918-2007) was chairman of the Department of Industry and director of the Industrial Research Unit. The records consist of surveys, notes, interviews and background materials for the studies produced by the Industrial Research Unit and its predecessor from 1941 to 1990 and collected and maintained by Northrup. The bulk of the files are from the 1970s and 1980s.

The Whitaker family of Philadelphia founded and operated William Whitaker & Sons, Inc., one of the oldest Philadelphia textile mills. The collection consists of photographs related to the family of William Whitaker. A number of the photographs feature buildings and bridges in and around Cedar Grove, Pennsylvania, now a part of Philadelphia. William Whitaker's mansion is featured in several of these images, with family gathered on the porch.

Produced by 302 Stories, Inc. : Written, directed, photographed and edited by Michael Oates. Wilmington, DE : Berkana, Center for Media and Education, Inc., c2012.

The White Motor Company was an automobile, truck, bus, and agricultural tractor manufacturer from 1900 until 1980. The company's White Diesel Engine Division manufactured diesel engine generators, which powered U.S. military equipment and infrastructure. This small collection consists of a set of photographs in a portfolio folder of a diesel generator manufactured for the AT&T Transatlantic Radio Transmitting Station in Lawrenceville, New Jersey.

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 item is a special Christmas calling card created for Wilhelmina du Pont by the Philadelphia artist M. Adine L. Robinson (1885-1982).

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).

Wilhelm Melas (1869-1916) was an engineer and inventor who specialized in the design of furnaces and other industrial machines. He designed plant and foundry layouts, as well as developed materials for railroad stations. This collection consists of more than 700 drawings related to Melas’ work as an engineer, as well as a compilation of project notes, reference material, and data. This collection would be useful to researchers interested in industrial design, especially related to steel and iron production.

Willard S. Wilson (1897-1979) was a pioneer radio broadcaster and entrepreneur. He was founder of the first commercial radio station in Delaware. This small collection of newspaper clippings, articles, notes, and ephemera document Wilson's knowledge about the history of radio and some of his accomplishments related to the radio station WHAV/WDEL. There are also three reels of film, two related to aviator Charles Lindbergh (1902-1974) and one documenting the arrival of a monument at Wilmington, Delaware marine terminal.

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.

William Douglass (1849-1925) worked his entire professional life in the steel industry. He was an educated steel worker and spent many years as foreman or superintendent at various jobs site, the majority being in Birmingham, Alabama. The papers are a collection of items partly documenting Douglass' career as a foreman in the steel industry in the Pittsburgh and Birmingham Districts from 1889-1915.

William du Pont, Sr. (1855-1928) was an industrialist and member of the prominent du Pont family of Delaware, whose family business was the E.I. du Pont de Nemours & Company, also known as the DuPont Company which was a large manufacturer of gunpowder. He worked for the first DuPont dynamite manufacturer, Repauno Chemical Company, as secretary and treasurer (1880-1884) and after the tragic death of Lammot du Pont (1831-1884), as president (1884-1892). William du Pont, Jr. was the youngest child of du Pont, Sr. and Annie Rogers Zinn du Pont (1858-1827). Du Pont Jr. became the president of Delaware Trust Company in 1929, the youngest bank president in Wilmington at that time. In 1952, he became chairman of the board, retaining both positions until his death in 1965. The William du Pont family papers are organized into two record groups: William du Pont, Sr. papers and William du Pont, Jr. papers. The William du Pont, Sr. papers primarily encompass the years of his active business life from the early 1880s to his death in 1928. There are also some papers from his early life and after his death. The William du Pont, Jr. papers document areas of his activities predominantly concerned with land development in Wilmington, Delaware; farming, animal breeding and foxhunting in Delaware, Pennsylvania, Maryland and Virginia; and promotion of horse racing in the United States, especially in Delaware.

William du Pont, Sr. (1855-1928) was an industrialist and member of the prominent du Pont family of Delaware, whose family business was the E.I. du Pont de Nemours & Company, also known as the DuPont Company which was a large manufacturer of gunpowder. He worked for the first DuPont dynamite manufacturer, Repauno Chemical Company, as secretary and treasurer (1880-1884) and after the tragic death of Lammot du Pont (1831-1884), as president (1884-1892). William du Pont, Jr. was the youngest child of du Pont, Sr. and Annie Rogers Zinn du Pont (1858-1827). Du Pont Jr. became the president of Delaware Trust Company in 1929, the youngest bank president in Wilmington at that time. In 1952, he became chairman of the board, retaining both positions until his death in 1965. This collections consists of photographic material mostly relating to the U.S.F. Powder Company, together with the Ball Grain Explosives Company which was in a way U.S.F. Powder Company predecessor. It also includes William du Pont's family photographs and negatives.

William du Pont (1855-1928) was an industrialist and member of the promienent du Pont family of Delaware, whose family business was the E.I. du Pont de Nemours & Company, also known as the DuPont Company which was a large manufacturer of gunpowder. He worked for the first DuPont dynamite manufacturer, Repauno Chemical Company, as secretary and treasurer (1880-1884) and after the tragic death of Lammot du Pont (1831-1884), as president (1884-1892). This small group of papers encompass both correspondence and various financial and investment accounts, largely covering his ten years spent in England after leaving the United States in 1893.

William E. Morris (1812-1875) was a civil engineer and railroad executive. The notebook contains fourteen separate specifications for canal and railroad work copied in longhand and a fifteenth in the form of an inserted printed handbill. They offer a good snapshot of early civil engineering practice and construction techniques. Evidence points to Morris as the notebook's author.

William E. Mullestein (1911-2005) was president of the Lukens Steel Company from 1969 to 1974 and chairman from 1974 to 1978. These seven photographs relate to his career at Lukens Steel.

William F. Endress, Inc. was a coal and ice supplier at 66 Foote Ave. in Jamestown, New York. The company was founded by Colonel William Fries Endress (1855-1935). In 1897, Endress purchased three existing brickyards owned by M.J. Mecusker & Sons, Jamestown Shale Paving Company, and C.A. Morley, Jr., which he then consolidated into a wholesale and retail establishment selling brick, wood, cement, and tile, but which specialized in the sale of anthracite, bituminous, and lignite coal. In 1902, Endress expanded into the ice and cold storage business, opening the first freezer storage facility in the city.

This collection consists of ten perforated pages containing six coupons each. Each coupon was redeemable for twenty-five pounds of ice from William F. Endress, Inc.

William F. Gardner (1840-1907) was a minister for the Episcopal Church. The letter is a general farewell upon being assigned to a new parish, urging his parrishoners to keep in the faith and look to the upkeep of the parish.

William Ferris, II (1822-1909) was, along with Philip Garrett (1814-1896), a senior partner in the firm of the Ferris & Garrett company, a supplier of plumbing fixtures for gas, steam, and water service in Wilmington, Delaware. This collection consists of thirty-eight glass plate negatives, mostly of unidentified people and interiors, photographed by William Ferris, II.

The collection primarily consists of newspaper clippings, telegrams, resolutions, and correspondence regarding Ramsay's death and funeral.

William Gouverneur Ramsay (1866-1916) trained as a civil engineer at the University of Virginia, finishing his course work in 1887. After a career working at various times in canal, railroad, chemical, dynamite, and coal industries, in 1903, Ramsay became Du Pont's chief engineer and directed the construction of many of the largest explosives factories in the United States. In 1916, Ramsay became a director and vice president of E.I. du Pont de Nemours & Company, in addition to retaining his position as chief engineer. The William G. Ramsay family correspondence comprises sixty-four letters. They are largely addressed to William himself, from a variety of interlocutors, but mostly members of his own family. The majority of the letters are written by women, and thus provide a powerful picture into women’s lives and roles in the Ramsay family at the turn of the century across the Eastern seaboard.

At the time of his death, William G. Ramsay (1866-1916) was chief engineer, a director and vice president of E.I. du Pont de Nemours & Company. This is a small collection of mostly unidentified snapshots possibly taken in the Pacific Northwest showing boats and logging subjects.