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History of the radio manufacturer  

Ediswan (Brand) Edison Swan Electric Co.Ltd.; GB

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Name: Ediswan (Brand) Edison Swan Electric Co.Ltd.; GB    (GB)  
Abbreviation: ediswan
Products: Model types Tube manufacturer

Edison Swan Electric Company Ltd.; 155 Charing Corsss Road, London W.C.5: Founded 1893 / 1916. One of the first valve makers in GB (The Untited Kingdom). Brands: Ediswan, Mazda (there is another brand Mazda in France which is not of Edison-Swan.

B.T.H. acquired Ediswan in 1928-1929 and Ediswan offered no new models after that but continued the Power Pentode receiver until 1932.


Some models:
Country Year Name 1st Tube Notes
GB  22 Edison Crystal Wireless Receiving Set No. 2   Slider coil tuning 200 - 1200 metres. Similar to the TMC No.1. BBC stamp; GPO numbe... 
GB  29 Three-Valve All-Electric model AC/SG  Grid-leak detection. 
GB  27 Compactum   Grid-leak detector, transformer-coupled LF-valve. 250-10000 metres. Circular moulded model... 
GB  27 R.C. Threesome unknown  For home construction, almost no wiring. Makes use of the Loewe patents. Plug-in coils ... 
GB  25 Ediswan 4-valve, long range Radiophone   Reflex receiver. Grid-leak detector, transformer-coupled LF valve, resistance-capacity-... 
GB  27 Ediswan Toovec, long wave model   Reflex receiver. Grid-leak detector, transformer-coupled LF valve. Wave range 300-4000 met... 
GB  27 Universal R.C. coupling unit B   Unit with valve holder and two holders for resistors and/or capacitors. Side male and fema... 
GB  25 R.C. Coupling Unit A   Ediswan R.C. Coupling Unit A; Unit with two resistors each in holder, four screw terminal... 
GB  25/26 Televox    
GB  23 Headphones   Headphones, total impedance 4000 ohms. PMG stamp, no GPO number. 
GB  23 WL385 WL 385   Circular base, tuning lever. 
GB  24 Ediswan WL 1924 L (Long Wave)    


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