I have a large copper top power piece and I am thinking about cleaning the years of tarnish off the copper. I was just going to leave it alone because of the original patina look, I believe that after years of service on some line in the middle of who knows where that they should show the service battles. My question is, what is the best way to clean up these old copper tops? Tried a little elbow grease and a Scotchbrite pad but not much happened with that, and Scotchbrite pads have always worked good in the past on stuff that is not tarnished this bad. Thoughts about cleaning copper tops, please email me at tmillertx@prodigy.net Thanks!