ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] FOR several years the temporal variation of phase, and hence the frequency, of a 16-kc./s. signal from Rugby, England, has been observed at Cambridge, Massachusetts1.2. I〉uring this period the transmission has been controlled by an Essen ring crystal oscillator and the reference at Cambridge has ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/187914a0
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