Western Electric Company Photograph Album
This album, prepared for a Bell System conference in Chicago, 1925, contains black-and-white photographs of the Hawthorne, Illinois Works of the Western Electric Company including views of buildings and grounds, offices, laboratories, shops, and the rod and wire mill.
Elisha Gray Collection
Legal documents, photographs, articles, copies of correspondence, three folders of original Gray correspondence on the Gray-Bell controversy; most of the collection consists of copies of material, or printed matter, collected by Lloyd W. Taylor of the museum staff.
C.L. Stong Papers
These papers are the files of the editor of "The Amateur Scientist" section of the Scientific American from 1952 to 1975. They are arranged chronologically by date of article. The feature was started in 1952 as an expansion of "The Amateur Astronomer" section of the periodical. The papers include files of Stong's predecessor …
Pittsburgh and West Virginia Railway Company Drawings
Engineering drawings (81) of the Centralized Traffic Control Machine electrical circuits of the Pittsburgh and West Virginia Railway Company (later Norfolk and Western Railway Company). The circuits extend from Connellsville, Pennsylvania to Pittsburgh Junction, Ohio and include those for mechanical controls, electrical signals, and telephone communications. The drawings were made in …
Western Union Telegraph Company Records
Western Union Telegraph Company
The collection documents in photographs, scrapbooks, notebooks, correspondence, stock ledgers, annual reports, and financial records, the evolution of the telegraph, the development of the Western Union Telegraph Company, and the beginning of the communications revolution. The collection materials describe both the history of the company and of the telegraph industry in general, particularly its importance to the development of the technology in the nineteenth and twentieth centuries. The collection is useful for researchers interested in the development of technology, economic history, and the impact of technology on American social and cultural life.
George H. Clark Radioana Collection
The collection forms a documentary record of over half a century of the history of radio, with the greatest emphasis on the period 1900-1935. The collection includes materials that span the entire history of the growth of the radio industry. It is useful for those historians and other researchers interested in technological development, economic history, and the impact of applications of technology on American life.
Warshaw Collection of Business Americana Subject Categories: Automobile Industry
A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Automobile Industry forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana
Warshaw Collection of Business Americana Subject Categories: Railroads
A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Railroads forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana
William K. Applebaugh Papers
The papers document the life and career of William K. Applebaugh, and his activities as a telegrapher during the U.S. Civil War.
Warshaw Collection of Business Americana Subject Categories: Electricity
A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Electricity forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana
