well it definately works with silver plate onto steel, worked better with the 5 volt supply though, as 12v produced too much gassing and therefore pitting of the plating. Dont know about other metals though, give em a go! – you must have an old at power supply somewhere!
I slept with faith and found a corpse in my arms on awakening; I drank and danced all night with doubt and found her a virgin in the morning.
Aleister Crowley (1875 – 1947)
Blackboard paint – Covers a multitude of sins!