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Gamble Stores

Gamble-Skogmo, Inc., St. Louis Park, Minnesota, USA


First seen: 01-Jan-1920
Last seen: 31-Dec-1920

Brand(s): Coronado

By 1930, Gamble Stores held a strong presence around the Great Lakes.

They introduced their Coronado brand before 1933, but really pushed it for Chrismas 1937. 

All variants are believed to be late ST envelope types and were RCA licensed. 

Coronado variants:
 
C N
O A
R D
O O
01-A
1
Tube
{v1} Globe, short UX bakelite base, tipless


  
Coronado variant
 
 
 
 

{v1} "Coronado" "01A" with engraved base.


Advertising suggests the tubes were in the market from late 1933 to at least 1938. 



Bibliography references:
  1. Radio Retailing, Jun-1929, pg. 267. From AmericanRadioHistory.com. Retrieved 30-Nov-2018. !
  2. Radio Broadcast, Dec-1929, pg. 123. From AmericanRadioHistory.com. Retrieved 30-Nov-2018. !

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