Master-clock-control plant with switching and control equipment for eight service lines; system for transmission of time signals; astronomical standard clock; receiving equipment for Nauen radio time signals, etc.
Time-service installation in main telegraph office of German railroads
Die Zeitdienstanlage im Haupttelegrafenamt der Reichsbahn
Siemens-Zeitschrift ; 11 , n 10 ; p 462-470
1931
9 pages
10 Figs.
Aufsatz (Zeitschrift)
Deutsch
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