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History of the manufacturer  

Zetka Laboratories; Newark

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Name: Zetka Laboratories; Newark    (USA)  
Abbreviation: zetka
Products: Tube manufacturer
Zetka Laboratories; 67-73 Winthrop Street, Newark.
Later (1929) became Radio Utilities Corp.

Ref.:- Tyne, Saga of the Vacuum Tube, p.365
- ad in Radio Broacast, May 1927, p.71

Radio Retailer and Jobber of July 1929 states that as of June 7th, Zetka became Radio Utilities Corporation. It was also announced that manufacture of radio tubes had ceased.

Tube manufacturer: Z-P (Zetka Process).

Production: 1927 -

This manufacturer was suggested by Konrad Birkner † 12.08.2014.


Further details for this manufacturer by the members (rmfiorg):

Unsourced advert c. 1927tbn_zetka_unsourced_c.png


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