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History of the manufacturer  

Karola Corp. (Radio & Television Products Co.); Minneapolis, MN

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Name: Karola Corp. (Radio & Television Products Co.); Minneapolis, MN    (USA)  
Abbreviation: karola
Products: Model types
Summary:

Karola Corporation;922 Washburn Avenue. Minneapolis, Minnesota;USA;1946 is the first year that Karola Corp. appears in the Minneapolis city directory. Robert C. Brame was the president. The vice-president was Elmer Wendt and the secretary/treasurer was Arthur B. Reed. Source: Toni Miller, Librarian, Special Collections, Minneapolis Public Library,250 Marquette Ave S,Minneapolis, MN 55401

Riders Index for Vol.'s XVI - XXII shows a cross-reference between Karola and Radio & Television Products Co.  There are two models - one in Vol.18 and one in Vol. 19. 

Radio & Television Products Co. should not be confused with Radio & Television, Inc. which is associated with the Brunswick brand. 

Founded: 1946
History:

This manufacturer was suggested by Dave McClellan.


Some models:
Country Year Name 1st Tube Notes
USA  99/99 Doublet ID = 52375 [standard model (not Hotel Set)] 12BA6  Schematic is in Riders Perpetual Troubleshooters Manual volume 19, in the Misc. Section at... 
USA  46 Table Radio 14Q7  Combination wood and metal case.  Permeability tuning (variable inductance - slug ... 
USA  47 Coin-Operated Hotel Radio 47-601 12BA6  Coin-operated hotel radio.  Accepts US quarters ($.25) for 2 hours play. Capa... 
USA  39 Unknown Table Radio 14A7   
USA  39 Unknown Farm Radio 14H7  32-volt sets were used on farms in the USA before mains electricity was available in rural... 
USA  47 47602 6BA6  Vibrator for +B. 
USA  47 47-601 [standard model (not Hotel Set)] 12BA6  Schematic is in Riders Perpetual Troubleshooters Manual volume 19, in the Misc. Section at... 

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