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Removing Corrosion on Old Coins and Metal Objects
an old coin sitting on top of a wooden table
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instructables.com

Removing Corrosion on Old Coins / Small Metal Objects

Removing Corrosion on Old Coins / Small Metal Objects: Last year in my town, there was a small construction site, and they ended up dumping loads of extra excavated dirt down a hill. My brother and I decided to explore and see if there were any Native American arrowheads that may have been dug up in the…
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Instructables

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