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History of the manufacturer  

United Motors Service (Delco)

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Name: United Motors Service (Delco)    (USA)  
alternative name:
Delco Radio Corp. (Appliance) || Delco-Remy Division, General Motors Corp. || United Motors Service Delco General Motors
Brand: Chieftain || Delco
Abbreviation: united-1
Products: Model types Tube manufacturer
History:

United Motors Service; - Trade name Delco
SAMS Photofact describe this manufacturer as "Delco Radio, Div. of G.M.Corp,. Kokomo, Indiana" (Set 14, Folder 474-33). In fact, Delco was bought by GM (or pre GM company of GM) in 1918 but also Motorola was a supplier of GM (for Chrysler (Dodge, Plymouth), Nash, Hudson (before those two companies merged to form American Motors), Willys, Jeep, Studebaker and probably other small ones.

In the 1920s as DELCO APPLIANCE, maybe already Div. of GM. At least from 1929 on GM´s Radio Trade Mark (after acquisition of Day-Fan), but Manufacturers name was UNITED MOTOR SERVICE. Later DELCO,DIV.OF GM (according to Rider´s)
Delco-Remy, Division of General Motors Corp.; Kokomo, Indiana


Some models:
Country Year Name 1st Tube Notes
USA  84 Delco Freedom Battery 770 CCA - 975 CA - 84 Month 24-84    
USA  48 980744 Buick 6SK7  Vibrator 45 
USA  48 980745 Buick 6SK7  Vibrator 45 
USA  59 985536 Chevrolet 6K7   
USA  40 985538 Chevrolet 6SA7GT   
USA  59 985694 Chevrolet 6K7GT   
USA  47 985986 Chevrolet 6SK7   
USA  29 Delco Automotive 3002 224  very early car radio; 
USA  31 Delco 3026 below serial 1400 36  6 V for A and speaker field (car battery). Dry batteries for B 67.5 V and 180 V.This rathe... 
USA  33 Delco 4053 58  The Delco 4053 is an AC operated 10 tube BC and SW band receiver. 
USA  33 Delco 4053-A 58  The Delco 4053-A is an AC operated 10 tube BC and SW receiver. 
USA  30 Delco RA-3 36  Farm radio. 32 V for A and speaker field (farm DC). Dry batteries for B 68 V and 140 V. 

[rmxhdet-en]

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

Scanned from the Radio Retailing February 1937.tbn_delco_prom_feb37_p25.jpg
Scanned from the Radio Retailing July 1946 page 12.tbn_delco_prom_rr_jul46_p12.jpg
Scanned from the Radio Retailing September 1946 page 22.tbn_rr_sep46_p22.jpg
Scanned from the Radio Retailing November 1946 page 22.tbn_rr_nov46_p22.jpg
Scanned from the Radio Retailing February 1947 page 33.tbn_rr_feb47_p33.jpg
Scanned from the Radio & Television Retailing May 1947 page 14.tbn_rr_may47_p14.jpg
Delco Radio Advertise 1960tbn_usa_delco_radio_printadv.jpg
tbn_usa_delco_vintagead.jpg
Scanned from the Delco Folder Form. A-183 for 1935.tbn_delco_folder_a183_1935_p1.jpg
Scanned from the Delco Folder Form. A-183 for 1935.tbn_delco_folder_a183_1935_p2.jpg
Scanned from the Delco Folder Form. A-621 for 1938.tbn_delco_folder_a621_1938_p1.jpg
Scanned from the Delco Folder Form. A-621 for 1938.tbn_delco_folder_a621_1938_p2.jpg
Scanned from the Delco Folder Form. A-207 for 1936.tbn_delco_folder_a207_1936_p1.jpg
Scanned from the Delco Folder Form. A-207 for 1936.tbn_delco_folder_a207_1936_p2.jpg

  
rmXorg