Today received this link from Ing. Marisa Addomine, related to selling of a 14th centory quadrant marked from Richard II. For the interest of all .http://www.artdaily.com/index.asp?int_sec=2∫_new=51491GreetingsPS: I added a lot of divulgative sundials papers written by Giacomo Agnelli on my web sitehttp://www.nicolaseverino.it for free download, for which is interested in. Nicola
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