Chemical process to reveal engraving (wanted).

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#2037

From: tspcjr
Date: Fri, 18 Oct 1991 02:58

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G'day,

This is one of those "Posts for a friend" jobs.

A friend has an interesting metal object that they picked up in an antique sort
of store that was obviously once engraved, but has just as obviously been filed
away.  They'd love to know if there is any chemical process that will allow the
old engraving to be seen (if only for a short length of time).

Any nice recipes out there?!

Thanks,

Chris.

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From: tspcjr@lure.latrobe.edu.au
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Subject: Chemical process to reveal engraving (wanted).
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Date: 18 Oct 91 02:58:09 GMT
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