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<p>[QUOTE=&quot;desertgem, post: 444374, member: 15199&quot;]<a href="http://rover.ebay.com/rover/1/711-53200-19255-0/1?type=3&amp;campid=5335874456&amp;toolid=10001&amp;mpre=http%3A%2F%2Fcgi.ebay.com%2FMettler-H31AR-Balance-Scale-Used-Clean-and-Works_W0QQitemZ400002682556QQcmdZViewItem%3Fhash%3Ditem400002682556%26_trkparms%3D39%253A1%7C66%253A2%7C65%253A1%7C240%253A1318%26_trksid%3Dp3286.c0.m14" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://rover.ebay.com/rover/1/711-53200-19255-0/1?type=3&amp;campid=5335874456&amp;toolid=10001&amp;mpre=http%3A%2F%2Fcgi.ebay.com%2FMettler-H31AR-Balance-Scale-Used-Clean-and-Works_W0QQitemZ400002682556QQcmdZViewItem%3Fhash%3Ditem400002682556%26_trkparms%3D39%253A1%7C66%253A2%7C65%253A1%7C240%253A1318%26_trksid%3Dp3286.c0.m14" rel="nofollow">http://cgi.ebay.com/Mettler-H31AR-Balance-Scale-Used-Clean-and-Works_W0QQitemZ400002682556QQcmdZViewItem?hash=item400002682556&amp;_trkparms=39%3A1|66%3A2|65%3A1|240%3A1318&amp;_trksid=p3286.c0.m14</a></p><p><br /></p><p>This is like the one I have and use. I converted the support pivot to allow weighing a stone or coin in air and then is a basket in water to determine the specific gravity. Good way to estimate if a gold coin is close to correct % gold, as well as weighing it. It has a resolution of .0001 or .1mg. These are usually available from college labs changing over to all electronic ones as these can be tempermental to align after the UPS man &quot;delivers&quot; them. </p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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