Clad coin to copper

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11-17-2014, 12:54 AM
Post: #1
Clad coin to copper
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Look what happens to the coin Think
http://www.wimp.com/burnsquarter/

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11-17-2014, 01:31 AM
Post: #2
RE: Clad coin to copper
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That`s really cool, i wounder if it is dissolving the outer nickle coating to reveal the copper underneath ...

interesting ... Yes
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