ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[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 ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/187914a0
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