Reference materials compiled by Forman on atomic clocks. Includes notes, letters, articles, journal reprints, photographs, logbooks, charts, graphs, and a set of interview tapes recorded in the 1980s with persons involved in the development of the atomic clock, including A.O. McCoubrey, Hans Dehmelt, and others.
Atomic Clocks Reference Collection, 1954-1999, Archives Center, National Museum of American History
2012.3020 (NMAH Acc.)
Unrestricted research access on site by appointment. Unprotected photographs must be handled with gloves