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History of the manufacturer  

Sentinel Radio Corp., Evanston, Illinois

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Name: Sentinel Radio Corp., Evanston, Illinois    (USA)  
Brand:
Erla || Lightweight Champion || Wings
Abbreviation: sentinel
Products: Model types
Summary:

Sentinel Radio Corp.; 2020 Ridge Avenue, Evanstone, Illinois - Trade names Burley, Erla, Lightweight Champion, Musicaire, Sentinel, Wings.
Also: United Air Cleaner Corp.; USA

History:
Sentinel was in the 20's the trade name of United Air Cleaner Corp.;
A merger end 20's with Erla and other companies failed and went into receivership. Erla reorganised as a private company in 1931, and apparently bought Sentinel between 1931 and 1934, where it continued to manufacture as Sentinel Radio Corporation.
Sentinel produced radios for an unknown number of private labels (twenty to thirty), some for export. The company name ERLA was still retained until 1945.
e.g. Musicaire was made for Coast to Coast Stores.
In March 1956 Sentinel's assets were sold to Magnavox.


Some models:
Country Year Name 1st Tube Notes
USA  65 The Nomad Portable Television Receiver 3V500E   Sentinel 14" Portable Television Receiver Model 3V500E Available in beige and blue or san... 
USA  56 1U-21165    
USA  56 1U-21161    
USA  56 1U-21145    
USA  56 1U-1174    
USA  56 1U-1161    
USA  56 1U-1155    
USA  56 1U-21164    
USA  56 1U-1175    
USA  56 1U-1171    
USA  56 1U-1157    
USA  56 1U-1147    

[rmxhdet-en]

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

Scanned from the Sentinel Folder No. 120, 1939/40 for 1940.tbn_sentinel_folder40_p1.jpg
Scanned from the Sentinel Folder No. 120, 1939/40 for 1940.tbn_sentinel_folder40_p2.jpg
Scanned from the Sentinel Folder No. 120, 1939/40 for 1940.tbn_sentinel_folder40_p3.jpg
Scanned from the Sentinel Folder No. 120, 1939/40 for 1940.tbn_sentinel_folder40_p4.jpg
Scanned from the Sentinel Folder No. 120, 1939/40 for 1940.tbn_sentinel_folder40_p5.jpg
Scanned from the Radio Retailing June 1941.tbn_sentinel_prom_rr_jun41_p25.jpg
Scanned from the Radio Retailing January 1946 page 127.tbn_sentinel_prom_rr_jan46_p127.jpg
Scanned from the Radio Retailing March 1946 page 101.tbn_sentinel_prom_rr_mar46_p101.jpg
Ad in "The Saturday Evening Post", May 1, 1948. The models were also in the market in 1947.tbn_sentinel_radio_1948_ad.jpg
Scanned from the Radio Retailing June 1946 page 117.tbn_sentinel_prom_rr_jun46_p117.jpg
Scanned from the Radio Retailing February 1947 page 35.tbn_rr_feb47_p35.jpg
Scanned from the Sentinel Folder Season 1947/48.tbn_sentinel_folder_47_48_p3.jpg
Scanned from the Sentinel Folder Season 1947/48.tbn_sentinel_folder_47_48_p5.jpg
Scanned from the Sentinel Folder for Season 1947/48.tbn_sentinel_folder_47_48_p6.jpg
Scanned from the Sentinel Folder Season 1947/48.tbn_sentinel_folder_47_48_p4.jpg
Scanned from the Sentinel Folder Season 1947/48.tbn_sentinel_folder_47_48_p8.jpg
Advert 1946tbn_us_sentinel_advert_1946.jpg
Scanned from the Radio Retailing June 1927 page 180.tbn_rr_june27_p180_ad_sentinel.jpg
Scanned from the Radio Retailing June 1927 page 181.tbn_rr_june27_p181_ad_sentinel.jpg

  
rmXorg