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History of the radio manufacturer Signum AG; Wallisellen


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Name: Signum AG; Wallisellen    (CH)    
Abbreviation: signum  
Products: tubes  
Summary: Signum AG, Wallisellen, entsteht 1919 zur Herstellung von Bahnsicherungsanlagen inkl. Stromversorgungsanlagen. Zumindest ab 1933 (Basler Mustermesse) stellt Signum auch Gleichrichter- und Senderöhren her. 1942 geht der Elektronenröhrenbereich der Signum an die Siemens Elektrizitätserzeugnisse AG, also Siemens EAG über. Details siehe im Buch "Schweizer Elektronenröhren 1917 - 2003" von Eduard Willi (2005).

 
Founded: 1919
History:
     

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