Image:UdoAdelsberger-LouisEssen-NN-NN.jpg

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[edit] Summary

from left to right: de:Quarzuhr-Entwickler de:Udo Adelsberger, de:Pysikalische-Technische Bundesanstalt; Entwickler der präzisionsarbeitenden Quartzuhr en:Louis Essen, en:National Physical Laboratory, UK; Japaner

© Dr. Klaus Adelsberger, de:Neckargemünd; BGKS Kulms, Editor --Bgks 11:18, 2 February 2006 (UTC)

[edit] Licensing

I, the author of this work, hereby publish it under the following license:
Creative Commons License
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