Name: | QRS Music Company; Chicago, IL (USA) |
Abbreviation: | qrs-music |
Products: | Tube manufacturer |
Summary: |
The Q.R.S. Music Company Brand Name of tubes: QRS Red-Top. |
Production: | 1925 - 1928 |
History: |
In 1925 A-P Labs was taken over by the QRS Music Company of Chicago. QRS Tube Division was taken over by Raytheon in 1928. This followed a law suit brought by Raytheon against QRS for patent infringement, settled in May 1928.
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This manufacturer was suggested by Otmar Jung.
Further details for this manufacturer by the members (rmfiorg):
Data Compliance | More Information |