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History of the manufacturer  

Electric Service Products Co,; Chicago, Illinois

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Name: Electric Service Products Co,; Chicago, Illinois    (USA)  
Abbreviation: elecserv
Products: Model types
Summary:

In the November 1924 The Radio Trade Directory under the heading manufacturers of Vacuum Tube Sets on page 80, the Electric Service Products Company was located at 10 South Wells Street in Chicago, Illinois. the company also had another address associated with it of 214 West Madison Street in Chicago, Illinois as seen on the instruction sheet for a Type Y Regenerative Receiver where both addresses are listed.

The Electric Service Products Company manufactured radios that were published in the Chicago Daily News newspaper and they were the exclusive distributor for these radios.

History:
?

This manufacturer was suggested by Alan Larsen.


Some models:
Country Year Name 1st Tube Notes
USA  23 Radio Demon 2-Stage Audio Amplifier Type E UV201A  This was the "Radio Demon" Type E Two-stage audio amplifier. This was the companion amp fo... 
USA  23 Radio Demon 1-Stage Audio Amplifier Type D UV201A  This was the "Radio Demon" Type D single stage audio amplifier. "Radio Demon" is a product... 
USA  23 Radio Demon 3-Tube Regenerative Receiver Type Y UV200  "Radio Demon" is a product of the "Chicago Daily News" Radio Laboratory as per their Radio... 
USA  23 Radio Demon 1-Tube Regenerative Receiver Type C UV200  "Radio Demon" is a product of the "Chicago Daily News" Radio Laboratory as per their Radio... 

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