A spectacular brass astrolabe - or a hand-held astronomical computer - from the 17th Century, once part of the royal collection of Jaipur city in western India, will go under the hammer at Sotheby's in London on 29 April. The object is "perhaps the largest in existence" and has never been exhibited before, Benedict Carter, head of the department of Islamic and Indian Art at Sotheby's, told the BBC. Known to be part of the royal collection of Maharaja Sawai Man Singh II of Jaipur, it was passed

Tag-uri: Islam