Coin shrinking coil, fragmented.
This is what's left of the copper coil used to magnetically shrink a coin (see above). I got it during the photo shoot for the article I wrote about coin shrinking for my monthly Popular Science column.
Source: Bert Hickman
Contributor: Theodore Gray
Acquired: 17 July, 2003
Price: Donated
Size: 2"
Purity: >95%
Sample Group: Coins
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