What is a ‘Budelman 128B’ receiver? I am familiar with a ( i think ) Mackay 128B, but that i think is a way different animal ? This is the one with “WCCO” painted near bottom of it.

I told my friend N9HXW who was the seller of this radio that it had attracted some attention and after receiving some photos of the chassis I did a bit more digging and solved the mystery.     The Budelman 128B was used to receive signals from the Budelman model 127B wireless microphone! 

This explains why WCCO-AM, a  50KW MA radio station, would have owned one.   It seemed odd at first that it would have variable tuning, but this was pretty early gear and it's unclear that the transmitter was even crystal controlled.    The receiver's AFC feature was probably very important!

73, Bob W9RAN