Hey TimDrakeRobin, can see in progress pics?
I just found this link. you may want to try a few of their methods. If you use to harsh a chemical, i'm worried you may destroy the engravings.
http://theclubhouse1.net/sripping.htm
I just found this link. you may want to try a few of their methods. If you use to harsh a chemical, i'm worried you may destroy the engravings.
http://theclubhouse1.net/sripping.htm