Records prior to 1907 consist mostly of incoming correspondence (outgoing correspondence can be found in record unit 112). After 1907 the records contain both incoming and outgoing correspondence. Much of the material consists of routine public inquiries. In addition, these records document museum accessions and Smithsonian expeditions and ...

Original documents and papers generated by William J. Hammer and by various companies and individuals with whom he was associated. Includes material related to the research and inventions of Edison, Bell, Tesla, the Curies, etc.

The collection documents the history of instrumentation through catalogs, bulletins, specification sheets, price lists, and other publications of companies that produce instrumentation.

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.

Most of the correspondence is directed to Goode, with lesser amounts to True, Walcott, and Rathbun. Also, a small amount of correspondence is addressed to the Secretary of the Smithsonian Institution, (Baird, 1878-1887; and Samuel P. Langley, 1887-1906) but is generally referred to the Assistant Secretary for response. Much of the material is...

The major part of the collection, series 1-4, contains nearly 28,000 glass plates, including original stereoscopic negatives, interpositives, and both negative and positive non-stereoscopic plates used to produce lantern slides and paper prints. The photographs were taken all over the world. The majority are from the Underwood & Underwood active fi...

Collection consists of records documenting one of the oldest advertising agencies created in Philadelphia. The company then moves to New York and expanses to international markets. During its history NW Ayer & Sons acquires a number of other advertising agencies and is eventually purchased. The largest portion of the collection is print advertisements but also includes radio and television. NW Ayer is known for some of the slogans created for major American companies.

The Department of Anthropology records contain administrative and research materials produced by the department and its members from the time of the Smithsonian Institution's foundation until today.

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.

The Myron Bement Smith collection consists of two parts, the papers of Myron Bement Smith and his wife Katharine and the Islamic Archives. It contains substantial material about his field research in Italy in the 1920s and his years working on Islamic architecture in Iran in the 1930s. Letters describe the milieu in which he operated in Rochester NY and New York City in the 1920s and early 1930s; the Smiths' life in Iran from 1933 to 1937; and the extensive network of academic and social contacts that Myron and Katharine developed and maintained over his lifetime. The Islamic Archives was a project to which Smith devoted most of his professional life. It includes both original materials, such as his photographs and notes, and items acquired by him from other scholars or experts on Islamic art and architecture. Smith intended the Archives to serve as a resource for scholars interested in the architecture and art of the entire Islamic world although he also included some materials about non-Islamic architecture.