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History of the manufacturer  

Britannia Batteries Ltd. (Pertrix); Redditch, London

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Name: Britannia Batteries Ltd. (Pertrix); Redditch, London    (GB)  
Abbreviation: britannia
Summary:

Britannia Batteries Ltd.
Union St., Redditch, Worcestershire
also 233 Shaftesbury Ave., London WC2

Branches in Manchester, Bristol, Glasgow, Dublin etc.

Closed: 1947
History:

At least during the late 1920s and early 1930s they produced or imported HT batteries, Grid batteries, Flag Cells and Lead Acid Accumulators with Pertrix brand and apparently same catalogue numbers as German Pertrix branded packs for the Dry Cell packs (see Varta Germany).

Ready Radio only recommended Pertrix HT & Grid batteries, with "Block" or Pertrix for Accumulator in early 1930s (or possibly late 1920s). Their publications only have adverts for Pertrix Batteries (by Britannia Batteries) using the same logo as German Pertrix. 

Britannia Batteries and NIFE Batteries Ltd. are merged to form Alkaline Batteries Ltd. in 1947.

This manufacturer was suggested by Konrad Birkner † 12.08.2014.


Some models:
Country Year Name 1st Tube Notes
GB  33 Britannia [(battery)]   also similar looking AC model. 
GB  33 Britannia [(AC)]   also similar looking battery model. 
GB  50 507 12K8  At about 1950 in Greece, there were manufacturers that were assembling radios. This is one... 
GB  49 449 6C9_UK  Unknown tuning eye. 
GB  46 Unknown Britannia   Unknown model for the brand "Britannia", made in England. It was found in Greece. Loudspea... 
GB  28 Pertrix grid bias 460   Grid bias from 0V to -9V in 1.5V steps. Dimensions are approximate. Contains 6 ... 

[rmxhdet-en]

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

Advert in Ready Radio magazine (UK), probably 1931.tbn_britannia_readyradio_1931_ad.jpg
Advert in Ready Radio magazine, UK, probably 1931 or 1932.tbn_britannia_readyradio_1932_ad.jpg
Pertrix advertising cardtbn_gb_britannia_batteries_ltd._pertrix_advert.jpg

  

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