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Atomichron

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Atomichron (Clockzone)

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9 - Atomichron | Clockzone | 30XX OST

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Atomichron (Clockzone) - 30XX

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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.
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