Can you guess what this is?
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Michael Koblic, Campbell River, BCQuiz
Oct 09, 2011
4 Replies
piece of scrap metal?
A used plating or derusting electrode?
jsw
It looks like a cooper plate that was used as a backer to weld up a hole.
Close. It is an electro-etching copper cathode left out of solution for 12 hours after using it on brass.
Michael Koblic, Campbell River, BC
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