Hewlett Packard caesium beam frequency standard type 5061A

Made:
1972
maker:
Hewlett Packard Company

Atomic clock, Hewlett Packard caesium beam frequency standard type 5061A, No. 418, 1972. Atomic clock used at the National Physical Laboratory to define the UK’s time scale from 1972-1997. It contributed to the generation of the world’s time, known as Coordinated Universal Time (UTC) by the International Time Bureau (until 1988) and the International Bureau of Weights and Measures (after 1988).

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Science Museum: Special Exhibition Gallery 1: The Sun

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Details

Category:
Time Measurement
Object Number:
2018-430
type:
atomic clocks
credit:
National Physical Laboratory
status:
Permanent collection

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