National Corporation, Inc.
National Company (NATCO) atomic clocks records, 1955-1968.
Blueprints, technical drawings, research reports, instruction manuals, photographs, marketing brochures documenting the production of the first commerical cesium beam frequency standard and subsequent models. Other projects and proposals, especially the Collision Avoidance system, are also documented. The 2012 addendum includes proposals, memoranda and reports on the technical aspects of atomic clocks, 1960s, generated by the National Company.
Richard Timothy Daly, Jr. directed the development of the commercial clock. The papers probably include material created by him and other project personnel listed below. The first commerical atomic clock was invented by a team of physicists working under J. R. Zacharias at MIT after WWII. They were produced by NATCO, Inc. of Malden, Mass., from 1955-1967. The company also researched other applications for the clocks, including a collision avoidance system.
Massachusetts Institute of Technology
National Corporation, Inc.
Atomic clocks.
Clocks and watches.
Cold War
Inventions.
Military-industrial complex.
Blueprints. aat
Manuals (instructional materials). aat aat
Photographs. aat
Technical drawings. aat
Patents lcgft
AIP-ICOS
Smithsonian Institution. National Museum of American History. Archives Center. MRC 601, 12th Street and Constitution Avenue, NW, Washington, DC 20560, USA