Atomichron

Atomichron

Atomichron

First commercial atomic clock

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

References

  1. [1]
    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.
  2. [2]
    "The Global Positioning System". Archived from the original (pdf) on 2010-05-20. Retrieved 2008-04-23.
  3. [3]
    "Science Update". The Dallas Morning News. 1989-10-02.
  4. [4]
    The Global Positioning System: The Path from Research to Human Benefit. National Academy of Sciences. 1996. p. 7.


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