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History of the manufacturer  

Zenker, Ing. Otto; Radiotechnische Fabrik, Berlin

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Name: Zenker, Ing. Otto; Radiotechnische Fabrik, Berlin    (D)  
Abbreviation: zenker
Products: Model types Others

Ing. Otto Zenker, Radiotechnische Fabrik Berlin N 4, Invalidenstraße 137 baute unter anderem Spulen mit dem Markennamen "Zento" (1928?).


This manufacturer was suggested by Wolfgang Eckardt.

Some models:
Country Year Name 1st Tube Notes
28 Zento Achterspulen   Kapazitätsarme Wicklung in Achterform. Sehr geringes Streufeld. Mit Stecksockel. Lieferbar...