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Date: 2011-01-11 12:13:46Time Sundials Clocks Academia Horology Measurement Shadows Gnomon Muhammad ibn Musa al-Khwarizmi Al-Biruni Hour Analemmatic sundial | • %fume 5 • 1fum6er 4Add to Reading ListSource URL: www.mb-kushyar.comDownload Document from Source WebsiteFile Size: 435,00 KBShare Document on Facebook |