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found this coin in the ocean today..it was deeeeeeeeeeep! It is thick with encrustation and I am having a difficult time cleaning it...so not sure wha
- Thread starter Magyar
- Start date
General Ray
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Craig in Alabama
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Brian(upstateNY)
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Butch in Colorado
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Butch in Colorado said:
You are absolutely correct, Butch, but I don't know much about chemistry...anodes..cathodes...positive--negative...voltage..batteries, etc
so I am afraid to try this method...I hve the directions to make a simple set -up , but I need someone to help me set it up...maybe a friend..next door neighbor....right now I am using the old Alumionum foil/ Baking soda detergent/ boiling water method.
thank you for looking at this coin..it's almost cleaned now...it has a flying eagle on the reverse...must be a Standing Liberty.
Butch in Colorado
New member
Positive = annode and negative = cathode.
I built 2 units (1 large / 1 small) with the plastic folgers coffee cans and a couple of hardware bolts. I use the regular DC power supplies that I get with all those danged electrical gadgets I have laying around the house.
6 volt DC 300 milliamps is more than enough to make a very respectable low voltage electrolsys rig. I use a water/salt/lemon juice mixture and it works very well. Practice on a coin, or anything that you do not care about losing.
The bubbles always come from the coin or item you are cleaning. If you ever see the bubbles coming from the other connection, just disconnect the power supply, swap the connections, and plug it back in. I took my power supplies and removed the end where the plug was and connected alligator clips to both of those leads.
Every power supply has the polairity stamped or displayed on each of the units. I bought alligator clips at ye' ole' Radio Shack. One red, one black. Red = positive or annode, Black = negative or cathode (this never changes). Negative connection goes to the coin and the positive goes to the bolt (or whatever you use for the second metal connection.
Then just watch the bubbles. Check it every couple of minutes and when you feel it is clean enough then stop the process. Just make sure that both leads never touch during this process, sparks fly, and power supplies stop working....or explode.
Things of that nature.
And of course this always comes with a disclaimer. Don't do this on a valuable coin. But how do you know it is valuable if it is heavily incrusted? Best guess "Mr. Savick"
Here is a link to a prior post of my stuff. http://www.findmall.com/read.php?52,702807,705329#msg-705329
TTFN......
I built 2 units (1 large / 1 small) with the plastic folgers coffee cans and a couple of hardware bolts. I use the regular DC power supplies that I get with all those danged electrical gadgets I have laying around the house.
6 volt DC 300 milliamps is more than enough to make a very respectable low voltage electrolsys rig. I use a water/salt/lemon juice mixture and it works very well. Practice on a coin, or anything that you do not care about losing.
The bubbles always come from the coin or item you are cleaning. If you ever see the bubbles coming from the other connection, just disconnect the power supply, swap the connections, and plug it back in. I took my power supplies and removed the end where the plug was and connected alligator clips to both of those leads.
Every power supply has the polairity stamped or displayed on each of the units. I bought alligator clips at ye' ole' Radio Shack. One red, one black. Red = positive or annode, Black = negative or cathode (this never changes). Negative connection goes to the coin and the positive goes to the bolt (or whatever you use for the second metal connection.
Then just watch the bubbles. Check it every couple of minutes and when you feel it is clean enough then stop the process. Just make sure that both leads never touch during this process, sparks fly, and power supplies stop working....or explode.
Things of that nature. And of course this always comes with a disclaimer. Don't do this on a valuable coin. But how do you know it is valuable if it is heavily incrusted? Best guess "Mr. Savick"
Here is a link to a prior post of my stuff. http://www.findmall.com/read.php?52,702807,705329#msg-705329
TTFN......