The Belin plant in Moosic, Pennsylvania was built by the DuPont Company in 1908 for the production of black powder, which it was doing by 1912. This collection consists of photographs of the aftermath of an explosion that occurred there on August 1, 1930.

The Paris Colonial Exposition was a six month exhibit held outside of Paris, France in 1931 displaying the culture and resources of the colonial possessions of France. Opening May 6, 1931, the exhibition was visited by an estimated crowd of seven to nine million people. This collection includes twenty eight photographs of architectural renderings of buildings at the exposition, two photographs of models of buildings, six photographs of the actual buildings (some under construction), and one portrait photograph of M. Marcel Oliver (circa 1880s-1940s), an organizer of the event and former Governor-General of Madagascar. Each photograph is stamped on the back and has the name of the architect responsible.

Exposition Internationale of 1937, was held in Paris, France from 25 May to 25 November. The full title of the exhibition was, Exposition Internationale des Arts et Techniques dans la Vie Moderne, which translates to the International Exposition of Art and Technology in Modern Life. The viewbook contains ten postcards of views of the Exposition Internationale held in Paris in 1937. These show both aerial views and images of the exteriors of buildings

F. Weber & Company, Inc. is an American manufacturer and supplier of artists' materials. Ernest Gustav Weber (1888-1965) was owner Frederick Theodore Weber (1845-1919)'s son. After their father's death, Weber and his brother, Frederick William Weber (1890-1972), were business partners running the supply store. This item is Ernest Gustav Weber's journal. The journal contains income and expenses from 1905 and 1906. There are also some lists of correspondence, addresses, and travel information.

This collection consists of thirty-five glass negatives and one box. It documents locations in Philadelphia, Pennsylvania’s Fairmount Park system. While the photographer is unidentified, and the images are undated and unlabeled, most images appear to depict Wissahickon Valley Park, historically part of the Fairmount Park system.

Falls Manufacturing Company manufactured fire-door hardware. The company was founded by John C. Kortick (1870-1933), who served as general manager and president. Falls Manufacturing Company's product line included post caps, bases, and joist hangers. This presentation album showcases the fireproofing protection provided by the San Francisco-based Falls Manufacturing Company in the years following the disastrous 1906 earthquake. The photographs include exterior views of buildings in which Falls fire-doors and other equipment were installed.

Felix Octavius Carr Darley (1822-1888) was an American illustrator known for his illustrations in works by well-known nineteenth century authors. The collection includes a microfilm copy of his 1853 account book which records his work for publishers.

The Ferracute Machine Company was a press and die business founded by inventor Oberlin Smith (1840-1926) in Bridgeton, New Jersey, in 1863. It was incorporated in 1877, and ceased operations in 1968. This group of Ferracute Machine Company records is a small fragment preserved by an employee that primarily contains legal files and financial statements.

The Ferracute Machine Company of Bridgeton, New Jersey was a press and die business founded by Oberlin Smith (1840-1926), inventor, writer, manufacturer in 1863. The collection consists of materials assembled by Arthur J. Cox for the preparation of the company history, Ferracute: The History of an American Enterprise (1985). This collection has been arranged into seventeen series: Administration; Advertising; Employees; History; Machine tools; Military work; Unions; Patents; Press work; Frederick A. Parkhurst (FAP) Time Studies; Miscellany; Scrapbooks; Drawings; Orders; Payrolls; Press cards; and Account books.

F.F. Slocomb Corporation was a manufacturer of special machinery and component parts. The Company was established as F.F. Slocomb & Company in 1898, in Wilmington, Delaware by Frank F. Slocomb (1860-1931). This collection consists largely of unidentified loose photographs of machinery produced by the company. There are six views taken on the shop floor; some of these show workers.

F.H. Dow & Company was a manufacturer of chocolates and candy. This album contains of photographs from F.H. Dow & Company of Boston, Massachusetts, showing various box designs for Utopian chocolates.

The DuPont Company is a chemical company which commercially produces synthetic fibers such as Kevlar. This collection consists of three pieces of artwork which were created for the DuPont Company Textile Fibers Department and hung in a shared work area. The artwork are photostats and are signed “ELF”. The three pictures show various small, cheerful animals making synthetic fiber by three different methods that are actually used (in slightly more sophisticated form) industrially.

Items with a specific and limited use, created with the intention of being discarded after serving their purpose, are called ephemera. This collection consists of mixed-format ephemera from various endeavors within American culture, primarily the manufacturing and selling of products or services.

Established in 1909, Finnesey & Kobler manufactured delivery wagons and carriages. This collection consists of thirteen builders photographs of wagons made by Finnesey & Kobler, N.E. corner Brown and 27th Streets, Philadelphia. Each wagon is posed in front of the office and warehouse.

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 and began with the production of gunpowder. Collection consists of five photographs, four of which are exterior views of historic structures in Wilmington. Two fire companies are pictured, the Friendship Firehouse in the late 1800s and the fire station of Company No. 1

The Fitz Water Wheel Company specialized in the manufacture of water wheels and small power plants, although it also manufactured grain dryers and blowers. John Fitz (1847-1914), who succeeded his father as head of the firm, developed the modern steel overshot water wheel. These photographic prints are transfers from the Fitz Water Wheel Company manuscript collection. They document different residential and commercial sites where Fitz Water wheels were installed.

This is a hand-colored lithograph by Thomas Sinclair (1807-1881) of Philadelphia showing the wharf area and in the background the town area of Florence, New Jersey, a nineteenth century leisure destination on the Delaware River in Burlington County.

Floyd Hamilton Fish Jr. (1923-2009) was a mechanical engineer and inventor at E.I. du Pont de Nemours & Company between 1954 and 1986. E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. Fish helped invent pneumacel, an inflated polyester foam. These records are a small group of documents relating to Fish's role in the pneumacel project and his attempt to revive it after his retirement, as well as the hiring process for engineers at DuPont and the activities of the Kennett Pike Association.

Floyd Hollenbeck (1920-2002) worked for Trimfit Hosiery, a distribution company for Hanes Hosiery Mills Company. Hanes Hosiery Mills Company was established in 1901. Hanes was an early adoptor of manufacturing nylon hosiery which was created in 1938. Hanes Hosiery Mills researched and developed seamless pantyhose by the mid-1960s. This collection contains twenty-four stereoviews of the Hanes Hosiery Mills Company Winston-Salem manufacturing plant and offices.

The Foote Concrete Machinery Co. manufactured road building machinery. Brothers, Chester T. Foote (1863-1918) and Charles E. Foote (1858-1938) were inventors and concrete contractors in Nunda, New York. They founded the Foote Concrete Machinery Co. in 1903. Foote Concrete Machinery Co. photographs is a small collection of images of road building machinery showing various angles, details of equipment, and pavers in use with workmen crews.

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 the sheet music for the official song of the 1939/1940 New York's World's Fair.

Built in 1899, Fort DuPont was the headquarters for the Coastal Defense command area which included the Delaware River and Bay. This panoramic photograph shows an exterior view of buildings (including officers quarters) and parade grounds at Fort DuPont.

The Forwood family were farmers whose homestead comprised 124 acres located on Marsh Road in Brandywine Hundred, north of Wilmington, Delaware. Corn, oats, and wheat were grown on the property, which had been a marsh. During the first decade of the nineteenth century, the Forwood family began to purchase and sell livestock. The Forwood farm was a major timber supplier to the DuPont Company. The Forwood family account books, spanning the century between 1790 and 1889, were kept by various family members. There are records for the Brandywine Hundred Horse Company and a book of sketches and poems by women in the circle of Du Pont family and friends.

Francis Bannerman Son was a major purveyor of military goods to sportsmen and collectors in New York City over three generations. The collection consists of photographs of Francis Bannerman and his family, including his wife, Helen "Nellie" Boyce Bannerman (1852-1931), and his sons, Francis VII (1873-1946) and David (1875-1957). The collection also includes photographs of Bannerman's Island Arsenal, including images of the 1969 fire in full blaze and its destructive aftermath.

Francis Bannerman Son was a major purveyor of military goods to sportsmen and collectors in New York City over three generations. The collection consists of miscellaneous photographs, negatives, postcards and ephemera pertaining to the weapons and military memorabilia business run by Francis Bannerman and to Bannerman's philanthropic and leisure activities.

Francis Bannerman Son was a major purveyor of military goods to sportsmen and collectors in New York City over three generations. The Francis Bannerman Son records demonstrate the operation of a small family business and a lack of formal structure. They document Bannerman's purchase of military goods from state and federal arsenals and their resale to individuals, with other regular purchases of arms and military antiques made on buying trips to Europe. The bulk of the collection consists of over 143 bound volumes of order books and outbound letters, and correspondence of incoming letters containing customer orders and inquiries. This collection would be useful to researchers interested in the resale costs and designs of military goods, especially arms and uniforms, as well as family-run small business performance and operations.

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. The collection consists primarily of correspondence from du Pont to his wife, Elise Wigfall Simons (1849-1919), but include items from other family members, as well as a journal of du Pont's, manuscripts written by him, and plays and novels by Alice Simons (1849-1891).

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. Walter G. Tatnall Jr. (1882-1949) was an engineer at the DuPont Pulp Keg Mill and president of the Department of Elections for New Castle County. The memorandum books from du Pont and Tatnall document their work for the DuPont Company, including data on the manufacture of pulp kegs.

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. The collection contains two letter books of du Pont to F.G. Thomas (-1901) of the Iowa Powder Mills, photocopies of selected documents by Benjamin Franklin (1706-1790) on gunpowder, and on awards to John Paul Jones (1747-1792) for his victory over HMS Serapis, and letter from Samuel Courtauld (1752-1821) to Captain Joseph H. Rees (1789-1821).

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. The papers consist of du Pont's student lecture and laboratory notes; letters; technical notes and papers; records of gunpowder production; patent specifications and drawings; patent correspondence; and printed patents related to gunpowder.

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. The papers of du Pont describe both his business activities at E.I. du Pont de Nemours & Company, his family life, and his activities in the Episcopal Church.

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. The collection consists of a volume containing a record of rifle scores of du Pont.

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. His scrapbook includes newspaper clippings on a variety of subjects, including astronomy, religious and church matters, DuPont Company fires and explosions, the statue of Samuel Francis du Pont in Washington, Swedish colonists in Delaware, and obituaries.

Francis I. du Pont (1873-1942) was a chemist, inventor, and stockbroker most celebrated for his involvement with the partnership of Francis I. du Pont and Company, stockbrokers in New York, and the Delaware Chemical Engineering Company in Wilmington. This collection contains a color photograph of a portrait of Francis I. du Pont painted by Gordon Stevenson (1892-1984).

Francis Victor du Pont (1894-1962) was a civil engineer and political figure in Delaware and Maryland. This collection combines papers and memorabilia of Francis Victor du Pont and those of his parents and ancestors.

Francoise Robin du Pont (1748-1841) was the second wife of Pierre Samuel du Pont de Nemours (1739-1817) a promienent French political economist, writer, publisher, and public administrator. The collection contains a letter from du Pont to Marc Antoine Jullien (1775-1848), "Ancien Inspecteur aux Revues" asking for copies of recent reviews or journals.

Francoise Robin du Pont (1748-1841) was the second wife of Pierre Samuel du Pont de Nemours (1739-1817) a promienent French political economist, writer, publisher, and public administrator. The collection contains a letter from du Pont to Marc Antoine Jullien (1775-1848), "Ancien Inspecteur aux Revues" asking for copies of recent reviews or journals.

Francoise Robin du Pont (1748-1841) was the second wife of Pierre Samuel du Pont de Nemours (1739-1817) a promienent French political economist, writer, publisher, and public administrator. The collection contains a letter from du Pont to Monsieur Pierre Didot (1761-1853), seeking the address of Marguerite Charlotte Desiree de la Fite de Pelleport (1780-1847).

Francoise Robin du Pont (1748-1841) was the second wife of Pierre Samuel du Pont de Nemours (1739-1817) a promienent French political economist, writer, publisher, and public administrator. The collection contains letters from du Pont to Baron (1757-1830) and Baronne Desmousseaux de Givre (1768-1843). The letters contain discussion of religious societies, his trip to Italy, and personal matters.

Francoise Robin du Pont (1748-1841) was the second wife of Pierre Samuel du Pont de Nemours (1739-1817) a promienent French political economist, writer, publisher, and public administrator. The letters are from du Pont to Madame Clarice Aublay (nee Hortode) and cousin Albert.

Francoise Robin du Pont (1748-1841) was the second wife of Pierre Samuel du Pont de Nemours (1739-1817) a promienent French political economist, writer, publisher, and public administrator. The collection includes photocopied letters from du Pont to Jacques Henri Bernardin de St. Pierre (1737-1814). The letters are entirely personal, with social and literary references, all general in character.

Frank A. Weer (1932-2019) was an employee of the Reading Company and an enthusiastic photographer of all things related to railroads, specifically in Pennsylvania. Fascinated by trains from a young age, Weer spent time taking photographs of the passing rolling stock. He developed his own photographs, and over time, he established a vast collection of photographic prints of steam locomotives and other rolling stock, as well as the railroad tracks and structures with which the railroad was affiliated. The Reading Company, where Weer worked for thirteen years, was an influential railroad company that served the economic development of the Greater Philadelphia area for over 100 years. Before it became a booming passenger railroad, the Reading Company began transporting anthracite coal. The passenger "ridership" of the Reading Company reached its peak in the 1950s. The company went bankrupt in 1971, and the passenger services were taken over by the South Eastern Pennsylvania Transportation Authority by 1974. This collection documents the construction and expansion of the Reading Railroad and the company's tangible property and human resources throughout the twentieth century. The collection consists of negatives (glass plate and film), photographic prints, and color slide transparencies. The creator established a chronological order, which has been maintained. The collection is arranged into five series: Structures and objects, Passenger stations, Rolling stock, People, and Frank A. Weer's personal slides.

Frank A. Weer (1932-2019) was a white-collar railroad employee who spent most of his career with the Reading Company, and after the transfer of railroad operations in 1976, with Consolidated Rail Corporation (Conrail). This collection is a small portion of a much larger collection of official railroad company documents, maps and drawings. Documents are primarily those of the Reading Company, Pennsylvania Railroad Company, Penn Central Transportation Company and Consolidated Rail Corporation (Conrail).

Based in Wilmington, Delaware, Frank Earle Schoonover (1877-1972) was a prolific commercial illustrator, artist, and avid photographer. Over the course of a six-decade career, he completed more than twenty-five hundred works, primarily illustrations for magazines and books but also landscapes, portraits, murals, book plates, sculpture, and stained-glass windows. This collection consists of negatives taken by Schoonover, largely for use as source material for his artwork. There are also images of his artwork, restoration projects, and him, his family, and friends.

Frank G. Tallman (1860-1938) was an executive of E.I. du Pont de Nemours & Co. The collection includes personal and business papers of Tallman such as diaries, letter books, and correspondence files.

Francis “Frank” Pierre Gentieu (1876-1950) was a ballistic engineer at E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. Gentieu worked at DuPont's Carney's Point Plant in New Jersey from 1901 to 1941. This small collection contains an account by Gentieu entitled "The First Fifty Years at Carney's Point" (1891-1941); correspondence with du Pont family members; a list of his father Pierre Gentieu's photographs of the DuPont Company and Brandywine area; and a recollection written by Samuel Brown of a conversation with Sophie M. du Pont (1810-1888) related to the Brandywine Manufacturers Sunday School.

Frank R. Zebley (1883-1960) was a Delaware native collector, photographer, author, and one-time speaker of the Delaware House of Representatives. He published Along the Brandywine and The Churches of Delaware. The Frank R. Zebley photograph albums includes nearly 1500 black and white photographs from the city of Wilmington, locations around Delaware, southeastern Pennsylvania, and other places of interest in the mid-Atlantic region.

Frank Siedel (1914-1988) was a writer, educator, and broadcaster. He founded the firm Storycraft, Inc., an industrial writing company, in 1947 and wrote scripts at Storycraft until his death in 1988. This small collection documents a sample Siedel's work. The two largest groups of materials relate to The Ohio Story television series and the "In the Ohio Heritage" educational series. The materials date from 1947 to 1967, with a few items dated 1988.

Colonel Franklin T. Matthias (1908-1993) was commanding officer and area engineer of the Hanford Engineer Works of the Manhattan Engineer District. These are Colonel Matthias's personal papers documenting his work on the Manhattan Project. They include original declassified documents from Hanford and a variety of newspaper clippings and magazine articles collected by Matthias between the time he left Hanford to his death, reflecting his continuing interest in the Manhattan Project and nuclear power.

Franklin “Frank” T. Matthias (1908-1933) served as commanding officer and area engineer of Hanford Engineer Works from 1943 to 1945. He oversaw production of plutonium at Hanford to create the world’s first nuclear weapon, the atomic bomb. The bulk of the collection consists of photographs taken during the construction of the nuclear facilities at Hanford and the village of Richland in Washington state. Researchers interested in World War II, the Manhattan Project, industrial chemistry, nuclear energy, and company towns would find this collection useful.