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History of the manufacturer  

JRC, Johnsonburg Radio Corporation; Johnsonburg, PA

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Name: JRC, Johnsonburg Radio Corporation; Johnsonburg, PA    (USA)  
alternative name:
Abbreviation: jrc-johnso
Products: Tube manufacturer

Johnsonburg Radio Corporation, (JRC)
Johnsonburg, Pennsylvania

~1920; Manufacturer of tubes like the JX 210 power amplifier. 


This manufacturer was suggested by Wolfgang Scheida.


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

Radio Retailing magazine, June 1930tbn_johnsonburg_jrc.jpg
Advert dated 1930 source unknowntbn_jrc_radio_tubes_1930.png
Advert undated - source unknowntbn_jrc_uy227_prom.jpg