First experience with electrolysis (cleaning silver)
At first I was skeptical to electrolysis. I consider this as a”barbaric” method of cleaning. However, I decided to try it. As a test subject i chose the 15 kopeks silver coin 15 from 1926, with a silver purity of 500. The condition of this coin was no good- it was more dead than alive. There was black tarnish on it, which had previously tried to remove with a little citric acid. There was also...