Hi Mike.

 ML> I know there is a chemical way to strip enamel like this as I've
 ML> seen reference to it in my carreer.  But this is so long ago it's
 ML> escaped me

it depends a bit on which type of enamel coating was used.
I've always used fine sandpaper (eg, #400)
but for a chemical solution you could try Caustic soda it'll shift most
kinds of paint.

 ML> Thanks .. and for the patience of the Moderator.  There are
 ML> oscillator coils in old computer equipment like this which could
 ML> provoke the question.  But I'd rather be straightforward on what
 ML> produced the question .

Do you get the electronics echo there?

 -=> Bye <=-

---