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<p>[QUOTE=&quot;springfld.arsenal, post: 103346, member: 54&quot;]I don&#039;t know really, maybe it was just assumed that was the easiest way to make it.&nbsp; I do wonder how they powered their machine to get high RPM back in year 700.&nbsp; Maybe 200 squirrel cages linked together?&nbsp; The ad refs a book you can get for $5, maybe buy it and find out.&nbsp; <a href="http://www.amazon.com/Korean-Art-Brooklyn-Museum-Collection/dp/0876635168" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.amazon.com/Korean-Art-Brooklyn-Museum-Collection/dp/0876635168" rel="nofollow">http://www.amazon.com/Korean-Art-Brooklyn-Museum-Collection/dp/0876635168</a></p><p><br /></p><p>We joined Amazon Prime and get free shipping so I&#039;ve bought a number of books lately.</p><p><br /></p><p>The ad you linked says the Koreans started with a bronze cylinder which was then spun into a bowl.&nbsp; How&#039;d they know that?&nbsp; How&#039;d they make the cylinder?&nbsp; Casting?&nbsp; I wonder if they didn&#039;t mean brass when it talks about spinning malleable metal because bronze isn&#039;t malleable.&nbsp; I&#039;m sure the guy selling the bowl wouldn&#039;t want me as a customer, I ask too many questions.[/QUOTE]</p><p><br /></p>

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