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Q.

Who invented the Orthographical astrolabe ?

Tags: orthographical
Asked by onlytruth, 14 Mar '12 11:23 am
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Answers (2)

1.

Abu Rayhan al-Biruni in the 11th century
Answered by truth exposed, 14 Mar '12 12:59 pm

 
  
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2.

James Morrison
Answered by Neha Sen, 14 Mar '12 11:27 am

 
  
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