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Q.

SCIENCE QUIZ =According to Will Durant, who invented a watch-like device in the 9th century which kept accurate time.?

Tags: education, science, technology
Asked by truth exposed, 29 Jan '13 12:35 pm
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Answers (2)

1.

Ibn Firnas of Islamic Spain, according to Will Durant, invented a watch-like device which kept accurate time.
Answered by Ataur Rahman, 29 Jan '13 12:37 pm

 
  
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2.

LIPSIKA JI can answer only .
where are you lipsika ji one more BA is waiting for you :-)
Answered by jaya, 29 Jan '13 12:43 pm

 
  
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