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History of the manufacturer  

Electronic Devices Inc.; Cincinnati

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Name: Electronic Devices Inc.; Cincinnati    (USA)  
Abbreviation: electron2
Products: Model types

Electronic Devices, Inc.; 626 Broadway; Cincinnati; Ohio


This manufacturer was suggested by Heiko zur Mühlen.

Some models:
Country Year Name 1st Tube Notes
USA  37 Port-A-Fone   Intercommunicator Unit. 


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