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V11 2008 INDEX
E-SYLUM ARCHIVE
MORE ON REMOVING COINS AND MEDALS FROM LUCITE
Regarding our discussion sparked by the Carnegie Hero Medal
encased in Lucite, Robert Neale has this advice for anyone trying to
remove a coin or medal from a Lucite block. -Editor
Nail polish
remover is likely more methyl ethyl ketone than acetone (dimethyl ketone)
and less effective on Lucite (polymethylmethacrylate). For the nooks and
crannies, how about warming the acetone bath (in good ventilation; boiling
point is about 56 degrees C) or even using a jewelers ultrasound bath?
On a related note, Dick Johnson sends this correction. He
writes: "Hugo Greco was not the new Carnegie Hero medal's designer -- he
was the manufacturer."
Wayne Homren, Editor
The Numismatic Bibliomania Society is a non-profit organization promoting numismatic literature. See our web site at coinbooks.org.
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