[Boatanchors] Re: Boatanchors Digest, Vol 30, Issue 23

[w5grg]

I would suggest something to eat the rust away , like phosphoric acid, 
maybe just lime away or toilet bowl cleaner.
Good Luck, George W5GRG

> Boatanchorites....
> 
> Surely someone has done this before so thought I would ask.
> These don't have tubes, but used with tube sets.
> 
> I have a set of "antique"? Goldak headphones, Type 45, 
> where one earpiece has the cup ring frozen on due to rust
> I suppose.  Other side is OK, need to open it up to see if
> can repair coil and clean diaphragm.
> 
> Tried penetrating oil, no luck, any suggestions to loosen 
> it up other than bust it to smithereens?
> 
> Rod
> K0EQH
>