[w0ene]

Thanks for the reply Brad.  I was in error, the cabinet is a model 643 643A according to the paper inside.  So everything now makes sense.   The tech that modified this one was a pro.  It had a power transformer that  I removed.  It was toast.  Because the cabinet is in good condition after refinishing and the new dial I found plus the quality of the wiring, I may yet restore it.  My experience includes many boat anchor restorations.  This would be my third or fourth appliance radio.  Thank you all for your interest and assistance.