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History of the manufacturer  

Ultra Electric Ltd.; London

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Name: Ultra Electric Ltd.; London    (GB)  
alternative name:
Ultra Radio and Television
Abbreviation: ultra
Products: Model types

Ultra Electric Ltd.; Erskin Rd.,London NW 3, GB;

Vertretung Schweiz: Bosshardt & Imhof AG; Zug

Founded: 1925
From 1921 on Edward E.Rosen produced Headphones and Loudspeakers, branded Ultra.
In 1925 the Company Ultra was formed.
In 1960 the name was changed to: Ultra Radio and Television Ltd., based at Eastcote, Ruislip, Middlesex, GB.

By the late 1960's Ultra was a part of the British Radio Corporation, which was a member of the Thorn Group.

-Hill: RadioRadio, p.239
-Geddes/Bussey: The Setmakers, p.44 et al

Some models:
Country Year Name 1st Tube Notes
GB  99/99 Dublette mit ID=79008   Price £13.17s.6d. plus tax. Colour brown with white front. Other colours were produced in ... 
GB  47 ET4011 TH41  Dial lamp: 8042 (4V/0,5A). 
GB  53/54 Coronation Twin Deluxe R906 1C2  NOTE RE. SCHEMATICS V2 voltage is shown incorrectly it should be 85v not 8.5v De-luxe ... 
GB  57 Troubadour FM950 UCC85   
GB  30 DC 3   Also an AC version. 
GB  31 Tiger Three Midget    
GB  32 Blue Fox [AC mains] AC2HL  Walnut veneered plywood cabinet. 
GB  33 Tiger [AC] AC/SG  Metal rectifier. 
GB  32 Tiger [AC/DC]   Metal rectifier. 
GB  33 Tiger [Battery] S215   
GB  33 Lynx 52 [AC]    
GB  34 22 [Table Electric] AC/TP  A.C. Mains (25 cycles to Special Order). 


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

Scanned from the Ultra Electric Ltd. Folder.tbn_ultra_folder_page1.jpg
Scanned from the Ultra Electric Ltd. Folder.tbn_ultra_folder_22_radiogram.jpg
Scanned from the Ultra Electric Ltd. Folder.tbn_ultra_folder_22_44.jpg
Scanned from the Ultra Electric Ltd. Folder.tbn_ultra_folder_55_44.jpg
Logo in 1934.tbn_gb_ultra_logo_1934.jpg
Thanks for Mr.Molnár Tibor, Budapest, Hungary & Első Zalai Rádiómúzeum Alapítvány, Zalaegerszeg.tbn_gb_ultra_brandname_1934.jpg