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Atomichron
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The Atomichron was the world's first commercial atomic clock, built by the National Company, Inc. of Malden, Massachusetts. It was also the first self-contained portable atomic clock and was a caesium standard clock. More than 50 clocks with the trademarked Atomichron name were produced.[1][2][3][4]
See also
[edit]References
[edit]- ^ Forman, P (July 1985). "Atomichron: The atomic clock from concept to commercial product". Proceedings of the IEEE. 73 (7): 1181–1204. doi:10.1109/PROC.1985.13266. ISSN 0018-9219. S2CID 19716223. Archived from the original on 2007-10-21.
- ^ "The Global Positioning System". Archived from the original (pdf) on 2010-05-20. Retrieved 2008-04-23.
- ^ "Science Update". The Dallas Morning News. 1989-10-02.
- ^ The Global Positioning System: The Path from Research to Human Benefit. National Academy of Sciences. 1996. p. 7.
External links
[edit]- A Brief History of the National Company, Inc
- Atomichron: The Atomic Clock from Concept to Commercial Product
- Atomichron NC-1001 Manual
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