Accurate measurement of time
JUL 01, 1960
DOI: 10.1063/1.3057031
Domestic clocks can be set right to within one second by means of the six “pips” broadcast by the British Broadcasting Corporation, and more accurate clocks used for scientific purposes can be set to about one‐hundredth of a second by means of special time signals from the Royal Greenwich Observatory.
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Louis Essen, National Physical Laboratory, Teddington, Britain.
© 1960 American Institute of Physics
