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Q.

Who invented the Saphaea, a universal astrolabe for all latitudes ?

Tags: saphaea, universal astrolabe
Asked by truth exposed, 26 Nov '12 03:34 pm
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Answers (1)

1.

Saphaea, a universal astrolabe for all latitudes, by Abu Ishaq Ibrahim al-Zarqali (Arzachel) in 11th century Islamic Spain.
Answered by Psycho, 26 Nov '12 03:37 pm

 
  
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