Tube tv quandary

Originally Posted by DiamondN

Years and years ago, I worked for Zenith Corp and from what I remember, the old style VHF and UHF tuners had gold contacts inside. These are the turn and click tuners, not the electronic style. Good Luck...

This sort> best pic I could find.

They either have a ceramic rod (& I couldn't see any gold) or a flat PCB sort with gold traces on it, also there was a flower shaped disc on the spindle that contacts the boards, its got gold on its petals, as a contact.