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History of the manufacturer  

Imp Radio Corporation; Chicago, IL

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Name: Imp Radio Corporation; Chicago, IL    (USA)  
Abbreviation: imp
Products: Brand

Imp Radio Corporation
Dept 101, 6 East Lake St., Chicago Illinois

This company advertised (1924) that it manufactured two tube types which operated without the need for a B battery. No tubes have so far been located and the company is not listed in Tyne's "Saga of the Vacuum Tube".


This manufacturer was suggested by Fin Stewart.


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

Popular Mechanics November 1924tbn_imp_ad_popular_mechanics_november_1924.png
Unsourced and undated c. 1924-25tbn_imp_ad_unsourced_and_undated_but_c._1924_25.png