Be very careful how you clean old copper coins. I’m of the camp of just scratching the dirt off with a toothpick and maybe rub a little oil from your forehead to bring out the highlights. The coin below was kept by the home owner and cleaned with hot sauce despite my warnings not to clean…
Electrolysis Guide In chemistry and manufacturing, electrolysis is a technique that uses a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction. Electrolysis is commercially highly important as a stage in the separation of elements from naturally occurring sources such as ores using an electrolytic cell. Restoring iron relics – What I’ve learned…
Finally got a chance to review my Cabela’s Thumler Vibrator Tumbler. I wanted a way to clean up crusty clad coins to make them good enough to spend or turn into my bank. It was my first time using a vibrator tumbler and though I read people use water, it did stain my coins. So…