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History of the manufacturer  

Minerva Radio Co.(post WW2); New York (NY)

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Name: Minerva Radio Co.(post WW2); New York (NY)    (USA)  
Portapal || Tropic-Master
Abbreviation: minerva
Products: Model types

Minerva Radio Corp. Of America, 238 William Street, New York (NY).
Trade names: Minerva, Portapal, Tropic-Master.

Founded: 1945
Founded by Italian immigrants. No connection with the pre WW2 Minerva of Chicago!

Some models:
Country Year Name 1st Tube Notes
USA  47 114 6SS7   
USA  48 410 12SA7  Selenium Rectifier 
USA  48 411 12SA7  Selenium Rectifier 
USA  47 729 "Portapal" 1R5  Built-in loop antenna. 
USA  46/47 L-702 14A4  The Minerva model L-702 is an AC-DC Operated Superheterodyne Receiver - Self Contained Loo... 
USA  46 Tropic Master W117 early (2) [25L6; 25Z6] 6SK7  "Portable" for mains only! This variant employs two 25L6 with filaments in series instead ... 
USA  47 Tropic Master W117 late [50A5; 35Z5] 6SK7  Portable, but for mains only! 
USA  46/47 W117-3 6SK7  This W117-3 is a wooden table model, home version of the Tropic Master (late, metal case).... 
USA  46 W119 6SK7   
USA  47 W119-A 12SK7  Minerva W-119-A; 
USA  46/47 W-702 (W-702B) 12SK7  See also Rider's Perpetual, Volume 18. The Minerva model W-702B is an AC-DC Operated ... 
USA  51 W-725 6SK7   


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

Scanned from the Radio Retailing May 1946 page 141.tbn_minerva_prom_rr_may46_p141.jpg
Scanned from the Radio & Television Retailing May 1947 page 47.tbn_rr_may47_p49.jpg