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<p>[QUOTE=&quot;Collect89, post: 2140314, member: 15445&quot;]The subject of optical magnification in the ancient world is discussed in this paper:</p><p><a href="http://www.academia.edu/467038/The_Use_of_Magnifying_Lenses_in_the_Classical_World" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.academia.edu/467038/The_Use_of_Magnifying_Lenses_in_the_Classical_World" rel="nofollow">http://www.academia.edu/467038/The_Use_of_Magnifying_Lenses_in_the_Classical_World</a></p><p><br /></p><p>Which was previously posted here: <a href="https://www.cointalk.com/threads/ancient-engravers-use-optical-magnification-or-reduction-technology.228490/" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/ancient-engravers-use-optical-magnification-or-reduction-technology.228490/">https://www.cointalk.com/threads/ancient-engravers-use-optical-magnification-or-reduction-technology.228490/</a></p><p><br /></p><p>The paper at academia.edu includes a reference to an ancient theatrical play in which one of the actors uses a magnifying glass that (according to the script) might be purchased in the ancient world.</p><p><br /></p><p>Of course, I now have to post another coin. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /> This coin is larger than 10 mm (by 1 mm) but it sure has some fine details.</p><p>[ATTACH=full]409217[/ATTACH]</p><p><br /></p><p><b>MYSIA. Kyzikos. </b></p><p><b>AR Obol </b></p><p><b>ca. 450-400 B.C. </b></p><p><b>0.85 grams, 11 mm </b></p><p><br /></p><p><b>Obv:</b> Forepart of razor-back boar left, tunny upward behind</p><p><b>Rev:</b> Head of roaring lion facing left within incuse square</p><p><b>Grade:</b> gEF fully struck, Almost mint on porosity-free, choice flan. All lion &amp; boar details present w/ partial tunny</p><p><b>Other:</b> Similar to Sear 3848 but w/o K; Von Fritze II 9; SNG France 361-72; SNG von Aulock 1213; SNG Kayhan 54. From Barry Murphy May 2013.</p><p><br /></p><p>Hey------ Ancientnoob &amp; I are going out to have hamburgers at Louie&#039;s Lunch in New Haven tonight (before attending a concert of Pink Floyd music).&nbsp; I believe that Louie&#039;s claims to be the first hamburger restaurant in the USA [Est. 1895].&nbsp; I&#039;ve heard that hamburgers were also served in the ancient world.&nbsp; Although, I&#039;m not sure if they enjoyed door-mouse-burgers or beef-burgers in ancient times. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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