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Subject Source: Library of Congress Subject Headings

Found in 5 Collections and/or Records:

E.I. du Pont de Nemours & Company, Organic Chemicals Department, Dyestuffs Division manuals and notebooks

Accession: 2419

E.I. du Pont de Nemours & Company was a chemical company and began a research program in dyes in 1916. By the late 1920s the DuPont Company was one of the four major U.S. dye producers and controlled twenty-five percent of the market. The records consist of notebooks and procedures on dyes, which describe the colors, uses, applications, tests, and fastness and dying properties for dyes manufactured by DuPont and its competitors.

Dates: 1924-1977

Reports and tests

Accession: 1770Identifier: 1770-II.
Scope and Contents:

Series II, Reports and Tests, contains twelve subseries: Armor Plate, Blast Furnaces, Financial, Processes & Equipment, Guns, Industrial Relations, Inspection Trips, Miscellaneous Reports, Notes & Notebooks, Plant Expansion, Rails, and Tool Steel.

Dates: 1894-1923

Revolving crane ship tests at the Philadelphia Navy Yard photographs

Accession: 1994-279

The Philadelphia Naval Shipyard occupied two different locations. The second site at League Island was the larger of the two sites and saw the greatest amount of shipbuilding activity. The Dravo Wellman Company was a pioneer manufacturer of steel plant equipment with an international reputation for engineering some of the largest material-handling projects ever built. Photographs show tests of a revolving crane ship (perhaps manufactured by Wellman-Seaver-Morgan Company) in the Philadelphia Navy Yard.

Dates: 1922

Robert B. Watson professional papers

Accession: 2577

Professional career files of mechanical engineer Robert B. Watson (1931-) documenting his work on the development of high-speed trains in the years between 1966 and 1998, especially his involvement in the Northeast Corridor Demonstration Project and the development of the first generation "Metroliners."

Dates: 1926-2005; Majority of material found within 1964-1981

Tests/experiments, circa 1930s-1977

Accession: 1995-220Identifier: 1995-220-XX.
Scope and Contents:

The Tests/experiments series is divided into three subseries: Equipment, Experiments, and Test equipment T.M.V. The images in these subseries are of equipment details, parts, test setups, experimental machinery, results from experiments, charts, and other test equipment. These materials date from the 1930s to 1977.

Dates: circa 1930s-1977