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History of the manufacturer  

Radio Apparatus Co.; Pittsburg, PA

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Name: Radio Apparatus Co.; Pittsburg, PA    (USA)  
Abbreviation: radioappa3
Products: Model types

Advertising in a September issue of Radio News magazine this company was located at 6600 Hamilton Avenue., Pittsburgh, PA. They advertised a Speer Crystal Receiver and Speer Crystal Detector.

Trade Name: Speer


This manufacturer was suggested by Alan Larsen.

Some models:
Country Year Name 1st Tube Notes
USA  22 Speer Crystal Receiver   Radio Apparatus Company Speer Crystal Receiver 


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

September 1922 Radio News magazine page 528tbn_usa_radioapparatus_speercrystal_sep22radnews120k.jpg


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