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<p>[QUOTE=&quot;10gary22, post: 1047096, member: 23626&quot;]I took a desk ruler and taped a round pencil right in the center to make a minature see-saw. Then using an earlier cent for a balance weight (I taped it on one end) I could put an unknown cent on the other end of the ruler. If it moved, it was copper. If not, then zinc of course.</p><p>&nbsp;</p><p>I finally bought a scale on eBay for $7 free shipping that is really accurate and use that now. Being hard of hearing, I never trusted my ears to pick up the sound of them.</p><p>&nbsp;</p><p>gary[/QUOTE]</p><p><br /></p>

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