In its various iterations, the Boeing Vertol Company has been a major developer and builder of helicopters. These records reflect development, manufacture, testing, improvement, and sale of helicopters, especially for military use in Vietman. This includes information relating to reports on factories visited, military needs of the United States and foreign countries, sales, conferences, and meetings with military personnel, government agencies, and representatives of foreign countries.

This collection of glass-plate and acetate negatives of bottle caps was made by the Bond, Crown and Cork Company of Wilmington, Delaware. The designs are for various beer and soft drink labels. Some of the negatives are dated from 1939, and the remainder appear to be from that time period as well.

Bowlus-Du Pont Sailplane, Inc. was a short-lived company which combined the financing of record holding glider pilot, Richard du Pont (1911-1943), and the engineering skills of Hawley Bowlus. This reproduction drawing (there are two copies) includes elevations and cross sections of an Albatross II.

A small body of letters and fragments recovered from the Graystone mansion property at Coatesville, Pennsylvania, relating to the Brandywine Iron Works and Nail Factory during the time when Rebecca Webb Pennock Lukens (1794-1854) was proprietor after the death of her husband.

The Brandywine Manufacturers Sunday School (BMSS) was organized in 1817 as a non-sectarian school for the children of the local factory workers, with instruction in reading, writing, arithmetic, and religion. Éleuthère Irénée du Ponts (1771-1834), founder of the DuPont Company, was one of its chief subscribers, and the school building was located on his property. Primarily generated and maintained by the du Pont women, the BMSS records include the school's constitution, and financial records such as bills and receipts and accounts. Most of the records pertain to students with information about premiums which were given as rewards for attendance and scholarly excellence.

The Brandywine Manufacturers Sunday School (BMSS) was organized in 1817 as a non-sectarian school for the children of the local factory workers, with instruction in reading, writing, arithmetic, and religion. This collection contains eleven Kodachrome prints of exterior views of the school building taken by Nancy Wootten (of Wilmington), between 1963 and 1966.

Henry Belin du Pont (1873-1902) was 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 views of and along the Brandywine Creek. These include the following du Pont family homes: Pelleport, Goodstay, Nemours, St. Amour, and Louviers. These photographs were possibly taken by Henry Belin du Pont (1873-1902).

Brandywine Springs, located on the Newport-Gap Turnpike about five miles west of Wilmington, Delaware, was first developed as a spa by the Brandywine Chalybeate Springs Company in 1827. Richard W. Crook (1850-1948) later leased the property in 1886 and converted it into a typical nineteenth-century streetcar amusement park, although he was unable to complete the streetcar connection with Wilmington until 1901. The entries in the ledger are in the hand of William Jenks Fell (1839-1903), the lessor of the park, and describe expenditures on improving the rides and concessions.

Brandywine Springs County Park was a popular amusement park in the rural countryside outside Wilmington from approximately 1890 to 1923. This collection consists of a postcard of the arched entrance to the park.

Hagley Museum staff conducted a series oral history interviews between 1954 and 1990, speaking primarily with individuals who had worked at the DuPont Company powder yards on Brandywine Creek during the yards’ final decades of operation or who had lived near the yards as spouses or children of DuPont Co. workers. Some of the individuals who were interviewed donated, lent for copying, or provided information on the photographs in this collection. The images primarily depict the worker communities which surrounded the E.I. du Pont de Nemours & Company powder yards on Brandywine Creek or the powder yards themselves.

The Bridesburg Machine Works of Alfred Jenks & Son were manufacturers of cotton and wool carding spinning and weaving machinery, shafting and millgearing. The lithograph shows the plant exterior, people in the street, and a delivery wagon carrying textile machinery. Vignettes of machines surround the main view.

Brooke Hindle (1918-2001) was a prominent historian who wrote extensively on early American science and technology. Hindle was senior resident scholar at the Eleutherian Mills-Hagley Foundation (1969-1970), a member of its advisory committee (1971-1974), and a trustee (1974-1985). This essay, delivered at a conference held at Hagley in 1965, reviews the historiography of early American technology, suggesting various methods of approaching the subject and stressing the "Americanness" of American technology.

Brown & Hewett were merchants of Oneida County, New York. The journal contains the accounts of individuals doing business with the firm, which was a typical backcountry mercantile enterprise trading imported goods such as brandy, rum, tobacco, paper, textiles, and merchandise for local staples like wheat and lumber.

The Brown Instrument Company developed, manufactured, and sold industrial controls and measuring instruments, such as thermometers, pressure gauges, voltmeters, and pyrometers. The company was founded in 1857 by an English engineer and inventor, Edward Brown (1834-1905). The records of the Brown Instrument Company consist of research files documenting the development of measuring instruments and industrial control systems used in continuous process manufacturing.

Buckley Music System, Inc. was a manufacturer and distributor of jukebox music systems for businesses. This album is a salesman sample catalogue marketing the Buckley jukebox system for restaurants, bars, and clubs. The album consists of thirty-two photographs showing the interiors establishments who have implemented the system.

The Budd Company was a manufacturer of steel automobiles, passenger rail cars, and other transportation products. The company began in 1912 in Philadelphia as the Edward G. Budd Manufacturing Company, specializing in the manufacturing of all-steel body automobiles. This small collection of papers from the Braking Systems Division consists mainly of Budd Company engineering reports dating from 1946 to 1973. These reports examine brake drums, brake linings, and noise generation. There is also a small set of reports from the Society of Automotive Engineers (SAE) that dates from 1963 to 1967. Also included are materials from the Budd Institute, Phase II, a week-long training at Michigan State University Management Education Center in November 1993.

The collection consists of a synthetic historical file assembled for public relations purposes at Budd Company's Michigan headquarters.

The collection consists of a small group of legal documents of the Budd Company and its related firms preserved by a former employee. Also included are the papers of Budd Company's British and German affiliates, property leases, and agreements.

The Budd Company was a manufacturer of steel automobiles, passenger rail cars, and other transportation products. This collection of photographs include railcar interiors, exteriors, and construction progress images of vehicles for the Budd Company customers between 1931 and 1987. Fifty-four railroads are represented in the collection, but half consist of only a small number of images.

The Budd Company was a manufacturer of steel automobiles, passenger rail cars, and other transportation products. This collection’s photographs focuses on the Budd Company rail division with some images of automobiles and wheel products and manufacturing. The bulk of the materials date from the 1940s, 1950s and the 1980s. The collection is organized into five series: Company executives and employees; Plants and manufacturing; Products; Advertising; and Films and videos.

This album documents a fire test conducted by the Bureau of Standards concerning the effect of fire on steel furniture, possibly among other things. The Bureau of Standards, now known as the National Institute of Standards and Technology, is a non-regulatory federal agency under the auspices of the U.S. Department of Commerce. Its mission is "to promote U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life."

C. Bruce Brooks (1931-2016) was a chemical engineer and program manager for Thiokol Chemical Corporation (later Morton-Thiokol) from 1958 until his retirement in 1995. Thiokol is a leader in aerospace research, design, manufacturing, and testing of solid propellant rocket motors. This small collection of Brooks' papers provides valuable information about the development of solid rocket motors and early space flight. Of particular interest are trial materials related to the 1984 loss of two communications satellites, the Westar VI and the Palapa B-2. Brooks was program manager for designing and manufacturing the STAR 48 motors used in the satellites. The collection has been arranged into six series: Space programs publications and reports; Solid rocket motors (SRM) files; McDonnell Douglas Corporation v. Thiokol Corporation files; Newsletters, magazines, and technical papers; Company histories and personal papers; and Additional work papers.

C. Robert Werle (1893-1990) was an industrial engineer who worked for Cooley & Marvin Company of Boston conducting time studies, as well as analysis of accounting and plant methods for a variety of clients, mostly in the textile, leather, woodworking and metalworking industries. This collection consists of images, advertisements, and sales flyers, for various clients of Werle, specifically a metal packaging company, a cedar chest manufacturer, duplex homes for sale.

C. Robert Werle (1893-1990) was an industrial engineer who worked for Cooley & Marvin Company of Boston conducting time studies, as well as analysis of accounting and plant methods for a variety of clients, mostly in the textile, leather, woodworking, and metalworking industries. Werle's papers cover his career between 1917 and 1931, with emphasis on his employment at Cooley & Marvin; Bigelow, Kent, Willard & Co.; and Watsontown Door & Sash. The papers include correspondence, reports, and work papers, mostly connected with time studies. There are numerous examples of the standard forms, cards, and tags used to control reporting and the routing of materials in factories.

Campbell Soup Company is a processed food manufacturing corporation based in the United States. Founded in 1869, the Campbell Soup Company primarily sold canned vegetables, soups, and other non-perishable items until 1897, when the development of a method to produce flavorful condensed soup propelled the company to one of the largest food corporations in the world. The collection consists of five films produced by the Campbell Soup Company sales department from 1940 through the 1960s, focusing on sales personnel training and company promotions.

Canada Dry is a brand of soft drinks best known for its ginger ale. Canada Dry had its beginning when John McLaughlin (1865-1914) opened a small carbonated water plant in Toronto, Canada, in 1890 to manufacture soda water. In the 1930s the company introduced other Canada Dry mixers. Canada Dry expanded worldwide during this period. The album was created as a salesman's flip chart for Canada Dry distributors to show retailers. There are images of Canada Dry products, views of bottling plants and the manufacturing process, as well as advertisements and merchant testimonials.

Cape Charles was established in 1884 as the southern terminus of the New York, Philadelphia and Norfolk Railroad. The collection consists of photographs showing the early development of Cape Charles. Views of the wharf and harbor areas and the steamship "Cape Charles" built by Harlin and Hollingsworth of Wilmington, Delaware, comprise nearly half the collection.

Carnegie Steel Company was a large steel manufacturer primarily founded by industrialist Andrew Carnegie (1835-1919) in 1892, headquartered in Pittsburgh, Pennsylvania. Lucy Furnaces were blast furnaces that initially produced iron, but switched to steel. This item is a time book registering the hours worked by Carnegie Steel Company Lucy Furnaces employees in 1904.

The Technical Department at DuPont's Carney's Point Works was established to collaborate with scientists at the DuPont Experimental Station and Eastern Laboratory of the Repauno Works to develop new products, maintain quality control, and improve products and processes. The collection focuses on the department's start-up period (1906-1910) and the two World Wars.

This collection includes ephemera, postcards, films, advertisements, photographs, documents and objects relating to the history of salt. The collection was assembled by Carol Litchfield (1936-2012), a biologist and biochemist with an interest in halophiles and salt history. These items document the history and development of salt manufacturing throughout the world. Historic and modern methods of salt harvesting are depicted from various areas around the world.

Additionally, this collection includes documentation of Carol’s personal research and participation in salt related conferences and programs.

Carolyn Mann Irving (1891-1987) was the wife of Evelyn du Pont Irving (1886-1968), nephew and one of the heirs of the prominent author Washington Irving's estate. The collection consists of forty-two prints (engravings or lithographs) and two photographic prints which were collected by Carolyn M. Irving. Subjects include animals; Andrew Jackson political cartoons; battle and war images; du Pont related images; European landscapes, town scenes and cathedrals; fashion and religious images.

The collection consists of a day book kept by an unidentified carpenter in the Philadelphia area from 1796 to 1799.

Carter Litchfield (1932-2007) an organic chemist who studied and specialized in edible fats and oils. This collection of photographs and ephemera relates to Litchfield's activities as a scientist, historian and collector of the history of fatty material. There is also a large amount of advertisements, letterheads, postcards and trade cards.

Carter Litchfield (1932-2007) an organic chemist who studied and specialized in edible fats and oils. In the course of his career Litchfield also built an interesting and significant collection of books, manuscripts, and ephemera relating to the history of fatty materials. The collection is arranged into seven series and includes his research with animal fats and fatty materials, collecting activities, research and publication on the history of oil mills around the world; the papers of Julius Lewkowitsch, the first authority on fats and fatty materials; the papers of Ellsworth C. Warner, founder of the Midland Linseed Products Company; and the correspondence of Frech Chemist Michel Eugène Chevreul

The Philadelphia chemical manufacturing firm of Carter & Scattergood was founded in 1834. It continued to do business under that name until 1911, when it was sold to the Henry Bower Chemical Manufacturing Company. Their records include day books, ledgers, receipt books, laboratory books containing records of wages, materials, processes and apparatus; production tables; correspondence including one describing in detail the first four years of the firm's operations; and receipts and bills.

Caspar Wistar (1696–1752) was a German-born Philadelphia merchant and brass button maker. He also founded the first glassworks in America near Salem, New Jersey, in 1739. The single volume contains a cash book of receipts of Wistar's estate (1752-1765).

Catalyst Inc. is a global nonprofit headquartered in New York City that is dedicated to advancing women in the workplace through research, consulting and advisory services, and outreach initiatives geared toward driving positive change. It was founded in 1962 by feminist author and advocate Felice N. Schwartz (1925-1996). Areas of focus have included workplace flexibility, dual-career families, and childcare; women on corporate boards and in leadership positions; diversity, equity, and inclusion issues; sexual harassment; the gender pay gap; and unconscious bias. The Catalyst Inc. audiovisual materials document Catalyst's media appearances, speeches, and events. The largest portion of the collection relates to the Catalyst Awards Dinner and Conference from 1980 to 2010.

Catalyst Inc. is a global nonprofit headquartered in New York City that is dedicated to advancing women in the workplace through research, consulting and advisory services, and outreach initiatives geared toward driving positive change. It was founded in 1962 by feminist author and advocate Felice N. Schwartz (1925-1996). Areas of focus have included workplace flexibility, dual-career families, and childcare; women on corporate boards and in leadership positions; diversity, equity, and inclusion issues; sexual harassment; the gender pay gap; and unconscious bias. This collection consists of records dating from Catalyst's early days in the 1960s until 2018. These materials include administrative and presidential papers, materials documenting Catalyst's founding and early activities, original research, publications and reports, marketing and publicity materials, media clippings, and files connected to the organization's work with Catalyst Supporters. The collection also includes documentation of the Catalyst Awards. Of note is an extensive vertical subject file originally maintained by Catalyst's library (later called the Information Center) that offers insight into topics of interest to the organization.

Catherine C. Irving (1884-1982) was the wife of Alexander Duer Irving (1873-1941). He was an aide to President Woodrow Wilson (1856-1924) at the Versailles peace treaty negotiations in 1919 after World War I. The letter from Irving to W.W. Laird (1910-1989), she recounts an anecdote about Col. H.A. du Pont (1838-1926).

The Cavalcade of America was an anthology drama radio program which aired weekly from 1935 to 1953. The radio show was sponsored by the DuPont Company, a chemical company, which began as a manufacturer of gunpowder in 1802. The DuPont Company created the Cavalcade of America as a promotional tool. The program dramatized historical events focusing on individual stories of heroism, and occasionally presented a musical performance. This collection contains recordings of most of the show's episodes and consists of over 2,900 phonograph albums, approximately 500 sound tape reels, 6 sound cassettes and one scrapbook.

The Cavalcade of America was an anthology drama radio program which aired weekly from 1935 to 1953. The radio show was sponsored by the DuPont Company, a chemical company, which began as a manufacturer of gunpowder in 1802. The DuPont Company created the Cavalcade of America as a promotional tool. The collection consists of photographs relating to the Cavalcade of America radio show. The majority are views of rehearsals or live performances; actors and actresses, including numerous Hollywood celebrities such as Ginger Rogers, Lucille Ball, and Cary Grant; the DuPont Chorus; live audiences; and the production staff.

The Cavalcade of America television show was an anthology drama which aired on NBC from 1952 to 1953 and ABC from 1953 to 1957. The show was adapted from a radio show of the same name sponsored by the DuPont Company, a chemical company, which began as a manufacturer of gunpowder in 1802.This collections consists of two reels of television commercials for various DuPont products. The commercials feature various spokesmen talking about or demonstrating the products. One commercial features DuPont Company president Crawford Greenewalt.

Cazenove Gardner Lee, Jr. (1882-1945) was a genealogist and prolific writer, who founded the Society of Lees of Virginia. This collection conists of photographs and negatives relating to family and career of Cazenove Gardner Lee, Jr. The images are primarily of various gunpowder mills and machinery.

Captain C.E. (Clarence Edward) "Bim" Argyle (1927-2006) was a riverboat captain for Consolidation Coal and a World War II Navy veteran. He worked primarily on steamers and coal barges along the Monongahela River in Western Pennsylvania. These two albums record Argyle's river experience between 1943 and 1950. There are portraits of his co-workers as well as many photographs of numerous commercial boats.

The Centennial Exhibition of 1876 celebrated the one-hundredth anniversary of American Independence. Held in Fairmount Park in Philadelphia, it was the first major U.S. world's fair. The collection consists of color-printed cards with views of the exhibition. Included are five views of the major buildings, thirteen state buildings (including Delaware), three international buildings, and one fountain.

The Centennial International Exhibition of 1876 celebrated the one hundredth anniversary of American Independence. Held in Fairmount Park in Philadelphia, it was the first major U.S. world's fair. This print gives a general view of the grounds and buildings.

The Centennial International Exhibition of 1876 was the first official World's Fair to be held in the United States, and was held in Philadelphia to celebrate the 100th anniversary of the signing of the Declaration of Independence. Joseph Shields Wilson (1835-1903), founder of the Wilmington Steamboat Company, attended and this collection includes his pass and a photograph.

The Centennial International Exhibition of 1876 celebrated the one hundreth anniversary of American Independence. Held in Fairmount Park in Philadelphia, it was the first major U.S. world's fair. This collection contains Centennial Exhibition photographs, albums, scrapbooks, and ephemera

The Centennial International Exhibition of 1876 celebrated the one hundredth anniversary of American Independence. Held in Fairmount Park in Philadelphia, it was the first major U.S. world's fair. Five wooden "jigsaw" puzzles showing buildings at the 1876 Centennial Exhibition in Philadelphia, PA. Also five prints of the same views as the ones on the puzzle, and the original wooden box.

The Centennial Exhibition of 1876 celebrated the one hundredth anniversary of American Independence. Held in Fairmount Park in Philadelphia, it was the first major U.S. world's fair. The collection consists of eight photographic prints with views of the 1876 Centennial Exhibition buildings and grounds.