old copper thats been in the ocean along time

[bcboy]

Hi there, I salvaged a bit of copper from a shipwrecked boat. All thats left is the wooden hull and it is very rotten. I managed to get some very stained copper straps that had alot of sea barnacles and stuff attached to it. I scrapped off the barnacles but its so stained its hard to tell that its copper at all. I was wondering if anyone around here knows how to get it clean and shinney again or is there a product out there to use? Thanks

[PBK]

This might be of interest:

http://nautarch.tamu.edu/class/anth605/File12.htm