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<p>[QUOTE=&quot;GDJMSP, post: 627463, member: 112&quot;]Anyone can read some of the books on the subject and anyone can find out if it&#039;s true. And it is. Even as far back as 1274, when the ducat was first invented, the Venetians had the ability to measure the weight of gold to within a fraction of a grain. That is an extremely precise measurement.</p><p><br /></p><p>And of course most people are not even aware that in ancient times they had things called touch stones and karat needles, both of which in experienced hands, could test the purity of gold to within a fraction of a karat.</p><p><br /></p><p>Do not underestimate the technology and abilities of those in the past. It is a huge mistake to do so. For in some ways their technology even surpasses what is commonly used today.[/QUOTE]</p><p><br /></p>

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