09-29-2013, 08:29 PM
I've had real good success using Simichrome polish and a stiff cloth buffing wheel to clean up tube shields. If really bad, scrub them with Barkeeper's Friend sink cleanser and a Scrunge pad, them polish them with the Simichrome. You'll be amazed what they can turn into. Take care, Gary.
"Don't pity the dead, pity the living, above all, those living without love."
Professor Albus Dumbledore
Gary - Westland Michigan