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History of the manufacturer  

Concentra AB (H. C. Augustin); Helsingborg

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Name: Concentra AB (H. C. Augustin); Helsingborg    (S)  
Abbreviation: concentra
Products: Model types
Summary:

Concentra AB (H. C. Augustin); Helsingborg.

Production: 1930 -
History:
Started as importer of tubes and parts 1925 or possibly earlier under the name H. C. Augustin. Represented the German tube brand "Ultra" in Sweden from 1925. The company name Concentra wasused sometimes with and sometimes without "H. C. Augustin" from 1929. Production of radios known from 1930. Used the brand "Elton" from 1932. Bankrupt 1935?
Issued a monthly radiomagazine called "Radio Teknisk Revy" (Radio Technical Revue) from oktober 1929. From january 1933 only four numbers a year. (Last number known to and owned by me issued in oktober 1933.)

This manufacturer was suggested by Anders Söderström.


Some models:
Country Year Name 1st Tube Notes
29 Lokalmottagare [AC] RES164d   
29 Lokalmottagare [DC] RES164d  Lokalempfänger mit Kristalldetektor und Verstärkerröhre. 

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