Superadio was the successor to the L. M. Cockaday company
        ID: 309758
       
      
        This article refers to the manufacturer: To the manufacturer
       
       
      Superadio was the successor to the L. M. Cockaday company
          27.Jan.13 05:25
         
         
           2600
          
          
         In a January 1921 Pacific Radio News magazine advertisement on page 164 for the Superadio Corporation it is mentioned at the bottom of the ad that the Superadio Corp. was the successor to the L. M. Cockaday & Company.

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