E.I. du Pont de Nemours & Company a chemical company, was founded in 1802. The DuPont Company celebrated its 150th anniversary on July 18, 1952, on the site of the original Eleutherian Mills. This item is a black and white photograph of the 150th Anniversary time capsule being buried at Eleutherian Mills.

Founded in 1846, Pennsylvania Railroad Company (PRR) was a leading industrial and transportation force throughout the nineteenth and twentieth centuries. This collection features a cyanotype and a photographic copy print of an image depicting the first passenger car created for PRR, most likely taken in 1893 in relation to Chicago World's Columbian Exposition.

World's Columbian Exposition, the Chicago World's Fair which was staged from May to October, 1893, commemorated 400 years since Columbus's New World arrival. Two copies of a deck of playing cards illustrated with color lithographic views of various buildings at the World's Columbian Exhibition.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The New York World's Fair took place in Flushing Meadows, Queens from April 30, 1939 to October 31, 1940. The theme was "The World of Tomorrow." This small collection consists of eight photographs showing telephone operators at the long-distance telephone exhibit in the American Telephone & Telegraph Building (AT&T).

The New York World's Fair took place in Flushing Meadows, Queens from April 30, 1939 to October 31, 1940. Nearly 45 million people visited the New York World's Fair. The theme was "The World of Tomorrow." This collections consists of four items from the New York World's Fair of 1939-1940: a set of poster stamps, a ticket book, an advertisement for Coca-Cola, and a Scot Tissue paper towel wrapper.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The New York World's Fair took place in Flushing Meadows, Queens from April 30, 1939 to October 31, 1940. The theme was "The World of Tomorrow." This item is a paper-bound scrapbook with empty pages.

The New York World’s Fair of 1939 was held in Flushing Meadows on Long Island between April 30, 1930 and October 31, 1939. This item is a fold-out lens-less paper "peep show" showing George Washington and colonial figures looking into a hole which, when item is unfolded, reveals a scene of "The World of Tomorrow" at the New York World's Fair of 1939.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The New York World's Fair took place in Flushing Meadows, Queens from April 30, 1939 to October 31, 1940. The collection consists of two sets of different postcards from the 1939 New York World's Fair. One set by Underwood & Underwood shows miscellaneous scenes at the fair, primarily buildings. The other set is comprised of photographs of the sculpture at the Fair, printed by the Meridien Gravure Co., Meridien, Connecticut.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The New York World's Fair took place in Flushing Meadows, Queens from April 30, 1939 to October 31, 1940. The collection consists of postcards featuring exterior and aerial views of the New York World's Fair grounds.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The New York World's Fair took place in Flushing Meadows, Queens from April 30, 1939 to October 31, 1940. The theme was "The World of Tomorrow." This item is a poster advertising the 1939 New York World's Fair.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The New York World's Fair took place in Flushing Meadows, Queens from April 30, 1939 to October 31, 1940. The theme was "The World of Tomorrow." This small collection consists of souvenir items from the 1939 New York World's Fair.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The 1964 New York World's Fair was held in Flushing Meadows, New York from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace Through understanding." This small collection consists of four ephemera items from the 1964 New York World's Fair.

The General Motors Corporation is an American automobile manufacturing company headquartered in Detroit, Michigan, and known for the Buick, Cadillac, GMC and Chevrolet models. The 1964 New York World's Fair was held in Flushing Meadows, New York from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace Through understanding." The General Motors exhibit titled, "Futurama II' showed superhighways and ultramodern architecture. This item is a mailable one-fold brochure about the General Motors display at the New York World's Fair.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The 1964 New York World's Fair was held in Flushing Meadows, New York from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace Through understanding." This small collection consists of twelve greetings cards which are illustrated with color drawings (architects' renderings) of various buildings from the fair.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture, and other innovations of national or cultural significance. The 1964 New York World's Fair was held in Flushing Meadows, New York, from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace through Understanding." This small collection consists of eight items from the 1964 New York World's Fair.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The 1964 New York World's Fair was held in Flushing Meadows, New York from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace Through understanding." This item is an advertising place mat printed in two colors with drawings of scenes from the upcoming world's fair.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The 1964 New York World's Fair was held in Flushing Meadows, New York from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace Through understanding." The cards are illustrated on one side with an artist's color illustration of the exterior of a pavilion or a sight at the New York World's Fair. The reverse side has text in three languages (English, French, Spanish) and information about the particular building or sight.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The 1964 New York World's Fair was held in Flushing Meadows, New York from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace Through understanding." This small collection consists of four blank postcards showing scenes from the New York World's Fair in 1964-1965. The set is titled, "Official world's fair post cards by Dexter, West Nyack, N.Y."

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The 1964 New York World's Fair was held in Flushing Meadows, New York from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace Through understanding." This item is a poster advertising the 1964 New York World's Fair.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The 1964 New York World's Fair was held in Flushing Meadows, New York from April 22, 1964 to October 18, 1964, and then again from April 25, 1965 to October 17, 1965. The theme was "Peace Through understanding." This is a small collection of slides showing various views of the 1964 New York World's Fair.

DuPont Performance Coatings, Inc., was created in March 1999 by the merger of DuPont Automotive Finishes, a business unit of E.I. du Pont de Nemours & Company, and Herberts GmbH, the coatings subsidiary of the German chemical firm Hoechst AG. Automotive Finishes had once been part of DuPont's Automotive Products Dept., and DuPont had a long history in automotive finishes. Every year, DuPont invited users of the company's automotive paint products to submit photos of their work. Winners were chosen and their projects were featured in an annual calendar. The vehicles pictured in this calendar won the DuPont Top Gun Award for 1997. All are painted with DuPont Company automobile finishes.

Adolphe Amadee Fesquet (1833-1894) was a chemical engineer and the author of a number of textbooks and translated French technical works into English. The collection comprises four volumes of educational course notes from lectures on mechanics, metallurgical chemistry, architecture, and the Catholic faith.

Joseph Bancroft & Sons Company began operation in 1831 as a cotton cloth manufacturer in Rockford, Delaware. After the Civil War, the company concentrated on finishing cotton cloth. "A Century of Fine Cloth, 1831-1931" is a typescript history of the first 100 years of the company, with emphasis on the personal life of the company's founder, Joseph Bancroft (1803-1874), and his immediate successors.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The Century of Progress International Exposition was held along Lake Michigan and Northerly Island Park in Chicago, Illinois from May 27, 1933, to October 31, 1934. This item is a colorful printed panoramic overview of Chicago Century of Progress International Exposition fair grounds.

The Youngstown Sheet and Tube Company grew to be one of the six largest basic steel companies in the United States. This volume presents an insider history and personal memoir by a retired operating official of Youngstown's Indiana Harbor Works.

A. D. (Aldoph Daniel) Lambach (1912-2008) was an industrial designer and furniture manufacturer. This small collection documents his career as an industrial designer, whose designs include a war-time design for a wooden baby carriage. The papers consist primarily of newspaper clippings, tear sheets and sketches of Lambach's furniture and appliance cabinet designs, including work executed for Admiral, Zenith, Pacific Mercury, and Sears.

A.R. Moen (1799-1867) was a traveling agent for the Collins & Company, a tool manufacturer. In the letter to the company, Moen discusses and provides a sketch of a new axe he has invented.

Elizabeth Webb (1663-1726) was a minister of the Society of Friends, wife of Richard Webb of Gloucestershire, England, and later of Birmingham Township, Chester County, Pennsylvania. Her journal is a record of Webb's first visit to America in 1697 with her companion, Mary Rogers.

A. Sonnin Krebs (1877-1969) was a chemical engineer and president of the Krebs Pigment & Chemical Company. This collection contains twenty-one letters to Krebs, primarily personal in nature, and include letters from Pusey & Jones Company, William Sellers & Co., Jacob A. Riis (1849-1914), and E.A. Wilson.

Alexander Starr King Jr. (1916-2013) was a jet engine field service engineer at Westinghouse Electric Co. He began working at the Westinghouse gas turbine division in 1945, which at that time was called Aviation Gas Turbine (AGT) division. These materials document early gas turbine development.

Founded in 1934, the Association of American Railroads is a leading railway organization that focuses on productivity and safety of the U.S. rail industry. Members include major freight railroads in North America and Amtrak. This collection is an educational kit composed of three parts created by the Association of American Railroads. There are two teacher's manuals and loose photographs.

Anthracite is a metamorphosed type of coal that contains a high carbon content and is extremely hard, it burns slowly producing little smoke. This item is a viewbook or fold-out packet of twenty-seven black and white halftone photograph reproductions of various activities at a coal mine, images are connected by accordion folds published by Jones & Evans; Scranton News Company, distributors.

Aaron A. Maple (1866-1938) was an asbestos building supplies traveling salesman for the Ohio branch of the Asbestos Shingle, Slate & Sheathing Co. This small collection contains fourteen of Maple's personal diaries from 1920 to 1936 (with some gaps) that document his home life, expenses, work, and travel throughout the northern and northwestern parts of the state.

Abraham & Straus was a Brooklyn, New York based department store chain. It started in 1865 as Wechsler & Abraham, founded by Abraham Abraham (1843-1911) and Joseph Wechsler (1837-1896) in downtown Brooklyn. In 1893, the Straus family, part owners of R.H. Macy and Company, bought out Wechsler, and the name changed to Abraham & Straus. This collection is a paper fold-out model of the Abraham & Straus Department Store in Brooklyn, New York.

A tannery was erected in Granville Center, Bradford County, Pennsylvania, in 1857. The tannery was sold to Charles J. E. Martin (1817-1862) and was later operated by Adam Innes (1820-1886) from 1862 until his death in 1886. The daybook records the operation of the Granville Center tannery by Martin and Innes from 1861 to 1883.

Adolph F. Herzog (1906-1997) was an aeronautical engineer who worked for the Pitcairn Aircraft Company, the Pitcairn-Cierva Autogiro Company, and later for the Platt-LePage Aircraft Company. The Platt-LePage Aircraft Company was a manufacturer of aircraft for the armed forces, including the first helicopter to be acquired by the U.S. Army. The collection contains several items related to the Platt-LePage Helicopter Company and Wynn Laurence LePage (1902-1989).

An advertising blotter is a small sheet of absorbent paper, printed with advertisement and created as a giveaway for promoting the business. The collection consists of advertising blotters from a variety of Philadelphia and Wilmington, Delaware businesses including a tailor, insurance companies, the Chicago and Northwestern Railway Company, stationery stores, and food suppliers.

The Aetna Life Insurance Company is an underwriter of group life and health insurance and annuities founded in 1853. William J. Venning (1882-1955) was the chief safety engineer for Aetna at the New York office. This item is a report detailing the introduction of safety devices for hazards in the paper and wood pulp manufacturing industry.

Formed in 1939 to protect the interests of general aviation pilots and private aircraft owners, the Aircraft Owners and Pilots Association (AOPA) grew to be the world's largest civil aviation organization during the twentieth century. The photograph collection largely comprises images of private planes, helicopters, and parts from various manufacturers who supplied the images for use in AOPA publications. AOPA activities, military aircraft, and experimental aircraft are also represented.

The Alan Wood Steel Company was a small, family-controlled integrated steel company. The Upper Merion & Plymouth Railroad connected all the elements of the Wood steel-making complex. The collection includes three blueprint maps showing the layout of industrial buildings at Alan Wood Steel Company and the track of the Upper Merion and Plymouth Railroad Company. Also in the collection is a stereograph featuring a blast furnace plant in Pittsburgh, Pennsylvania.

The Alan Wood Steel Company was a small, family-controlled integrated steel company, producing primarily steel sheets. This small collection consists primarily of interiors and exteriors of the companys' facilities, equipment, and workers. There are also some images from various events related to the company.

Albert Lawrence "Larry" Luther (1895-1966) was a powerhouse operator for Southern California Edison Co. (SCE), a utility company that in 1917 merged with Pacific Light and Power Corporation. The centerpiece of the merger transferred ownership of the Big Creek hydroelectric project to SCE. Big Creek eventually became one of the world's largest hydroelectric projects. Luther's photograph album is from his time working for Southern California Edison Co. during the Big Creek hydroelectric project between 1917 and 1920. The images depict work and leisure, with captions written by Luther between 1917 and 1920.

William Gray Purcell (1880-1965) was an architect who was hired by Alexander Brother's Leather Belting Company. In addition to architectural duties, Purcell acted as their advertising manager from 1916 to 1918. These colorful items in this collection were possibly covers designed for trade catalogs or publications. They are all copyrighted 1917, designed in a modern style, and may have been commissioned for the company's commemorative fiftieth anniversary that year.

Alexander Duer Irving Jr. (1873-1941) was assigned as a junior naval aide to President Woodrow Wilson (1856-1924) on his trip to the Paris Peace Conference, primarily because of his knowledge of French. He served with the rank of lieutenant under Wilson's personal physician, Admiral Cary T. Grayson (1878-1938). The papers record details of protocol at the signing of the Treaty of Versailles. Irving gives much social detail of formal affairs attended and the intricacies of protocol. He reports background information on French labor unrest, the high cost of living, and the fear of Bolshevist infiltration.

Alexander Duer Irving, Jr. (1873-1941) was assigned as a junior naval aide to President Woodrow Wilson (1856-1924) on his trip to the Paris Peace Conference, primarily because of his knowledge of French. He served with the rank of lieutenant under Wilson's personal physician, Admiral Cary T. Grayson (1878-1938). This small collection contains materials relating to his work while serving as aide to President Wilson during the Peace Conference in France, 1919.

Alexander Magoun was the curator for the David Sarnoff Library from 1998 until 2000. After earning his Ph.D. in American History from the University of Maryland in 2000, he led the David Sarnoff Library as the Executive Director from 2000 until 2009. This collection includes advertisements from RCA and other companies for radios, televisions, phonographs, and other consumer electronics.

Alexis I. du Pont (1816-1857) was proprieter of his family's business, E.I. du Pont de Nemours & Company, which began in the manufacture of gunpowder in 1802. Betweeen 1829 and 1931, he attended the boarding school New Haven Gymnasium to prepare for his higher education at the University of Pennsylvania. The volume is an autograph book of mostly blank pages. Internal evidence suggests that it was begun by his older siblings as a memento for him when he first left home for school as he entered his teens. Later, Alexis du Pont used the same volume to collect samples of poetry verses on the theme of "friendship" as mementos of his schoolmates when he left preparatory school and entered college.

Dr. Alexis Irénée du Pont (1843-1904) was a businessman and non-practicing physician who resided in both Louisville, Kentucky, and Wilmington, Delaware. He was a grandson of Éleuthère Irénée du Pont de Nemours (1771-1834), the eponymous founder of the E.I. du Pont de Nemours & Company in Wilmington, Delaware, and son of Alexis Irénée du Pont (1816-1857) and Joanna Maria Smith du Pont (1815-1876). The collection contains correspondence between Alexis I. du Pont Jr. and his mother Joanna while he was attending the Episcopal Academy in Philadelphia. In addition, there are also letters from his father and sister.

Dr. Alexis Irénée du Pont (1843-1904) was a businessman and non-practicing physician who resided in both Louisville, Kentucky, and Wilmington, Delaware. The Alexis Irénée du Pont family papers primarily consist of both outgoing and incoming correspondence from A. I. du Pont and his immediate family.

Alexis Irénée du Pont (1843-1904) was a businessman and non-practicing physician who resided in both Louisville, Kentucky, and Wilmington, Delaware. The ledger documents his various financial and business accounts from October 1893 until November 1904, just before his death.