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<p>[QUOTE=&quot;LaCointessa, post: 2761576, member: 87186&quot;][ATTACH=full]634900[/ATTACH] Since I did not know what a jetson was, I went to look it up. I was surprised to learn jetsons were used rather like the beads on an abacus, only they were laid out on a cloth. I found some basic information about them and a wood cut showing how they were used. Here is the link if anyone has not seen how these beautiful &#039;counters&#039; were used as calculation tools. (perhaps a new CT member like me?) I plan to read more about them later. I think I should have one in my world coin collection.</p><p><br /></p><p><br /></p><p><a href="http://www.chicagocoinclub.org/projects/PiN/juh.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.chicagocoinclub.org/projects/PiN/juh.html" rel="nofollow">http://www.chicagocoinclub.org/projects/PiN/juh.html</a></p><p><br /></p><p>CT is such a cool website for learning new things.[/QUOTE]</p><p><br /></p>

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