National Air and Space Museum Technical Reference Files: Biographies
The Technical Reference Files comprise an artificial collection that currently contains 1,900 cubic feet of aviation and space related materials, organized in 22 subject series. File materials include photographs, press releases, clippings, correspondence, reports, and brochures, on individuals, organizations, events, and objects.
Underwood & Underwood Glass Stereograph Collection
A collection of approximately 28,000 glass plate negatives showing views of a variety of subjects.
Archaeology reports and related material collection
With the passage of federal environmental and cultural heritage legislation during the 1960s, 1970s, and 1980s, archaeological investigations were required before federal land could be disturbed for construction projects. Reports of these investigations, often conducted by archaeological contactors, were generally published in processed rather than printed form. The multiliths, electrostats, dittographs, and so …
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.
