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History of the manufacturer  

Apex Electric, Pool; Chicago; US Radio & Television Corp.; Marion; (US Radio&Refrigeration)

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Name: Apex Electric, Pool; Chicago; US Radio & Television Corp.; Marion; (US Radio&Refrigeration)    (USA)  
alternative name:
Apex Electric Mfg. || Case Electric || Melrose || United States Radio & T
Brand: Argyle || Carlton || Gloritone || Mantola || Microdyne || Radiotrope || Technidyne
Abbreviation: apexelectr
Products: Model types

Pool for Apex Electric, Chicago; United States Radio & Television Corporation; Marion, Indiana (~1930).
- Trade names Apex, Argyle, Carlton, Case, Gloritone, Mantola, Melrose, Radiotrope.
"US Radio & Refrigeration" is an error found in Stein: "M-a-c-h-i-n-e  A-g-e  to  J-e-t  A-g-e" (EE: with - for avoiding to be in search result), Vol.2, p.308/309. The Index in Vol.1 is correct.

In the November 1925 edition of The Radio Trade Directory on page 121, under the listing for manufacturers of Knockdown kit sets, the Apex Electric Manufacturing Company was located at 1410 West 59th Street in Chicago, Illinois


U.S. Radio & Television Corp.; - Trade names Apex, Argyle, Carlton, Case, Gloritone, Mantola, Melrose, Radiotrope - was merged to "General Household Utilities Company in late 1933: In the September 1933 issue of "Radio Retailing" the merger is announced on page 32: "U.S. Radio and Television" and "Grunow Corporation of Chicago" have merged to "General Household Utilities Company". This according to the president of the new company, William C. Grunow. Mr. Coit is chairman of the board, vice-presidents are H.C. Bonfig and A.C. Winnan. J.P. Rogers is treasurer and R.R. Trimarco secretary.

Some models:
Country Year Name 1st Tube Notes
USA  27/28 Case Model 66   Made by Case Electric Corporation, a Division of United States Electric Corporation, which... 
USA  40 Fluxmeter TS15B/AP    
USA  30/31 32-A Ch= 32X 224  Export version of model 32. Designed for 110v AC 25 cycles, like what was used in parts... 
USA  30/31 Gloritone Carlton 27S 24  The Apex Gloritone Model 27's came in three versions. The Model 27, this small console ... 
USA  99 error, is a homebrew 6A7  dial displays 4 wave bands, but ony 2 are used: - BC 200 - 550 m - SW 15 - 50 m n... 
USA  36 Case 614    
USA  36 Case 700    
USA  33 Apex 3082   Wood with marquetry inlay. 
USA  35 Gloritone 26-P modified   Completely different from other 26P. Most probably an individual adaptation of an o... 
USA  35 Gloritone unknown Tombstone 6A7  Resistance power cord. 
USA  30 Apex 27 A Gloritone [error in Stein]   The picture in Stein: Machine Age to Jet Age, vol.2, p.308 is obviously not a 27 model.... 
USA  25 Utility Radio Table   Radio Utility Table with built-in loud speaker. 


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

Firmen-Logo: Apex USA um 1929tbn_usa_apex_1929_firmenlogo.jpg
Radio Broadcast, Nov. 1925, p. 68tbn_usa_apex.jpg
August 1926 McGraw-Hill Radio Trade Directory page 110tbn_usa_apex_advert_aug1926mcgrawhill_tradecat_page110.jpg
October 1925 Apex Electric brochuretbn_usa_apex_brochure_superfive.jpg
October 1925 Apex Electric advertising brochuretbn_usa_apex_brochure_oct1925.jpg
October 1925 Apex Electric advertising brochuretbn_usa_apex_brochure_console_oct1925.jpg
October 1925 Apex Electric advertising brochuretbn_usa_apex_brochure_speakers_oct1925.jpg
Radio Broadcast, Dec. 1925, p. 229tbn_usa_apex~~1.jpg