https://www.noormags.ir ar https://www.noormags.ir/view/ar/articlepage/1094169/%D9%82%D8%A7%D8%B9%D8%AF%D9%87-%D8%AD%D8%B1%DB%8C%D9%85-%D8%AD%D9%85%DB%8C Sun, 21 Dec 2014 20:30:00 GMT https://www.noormags.ir/view/ar/articlepage/881817/a-rare-astronomical-instrument-extant-in-tow-specimens Tue, 23 Mar 2010 20:30:00 GMT