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<p>[QUOTE=&quot;Ancientnoob, post: 2212865, member: 44140&quot;]I would like to see you or steve and anyone with an old Greek electrum coin, determine the Specific Gravity. Although this method is not full proof the margin of error can be mitigated, especially if a medium is heavier than water. (The lighter the medium, the greater the error will be, but the heavier the medium the calculation only becomes slightly less intuitive.[/QUOTE]</p><p><br /></p>

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