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Q.

Who invented the "observational clock", which he described as "a mechanical clock with three dials which show the hours, the minutes, and the seconds", used this for astronomical purposes?

Tags: relationships, health, entertainment
Asked by onlytruth, 15 Feb '12 02:32 pm
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Answers (4)

 
1.

Taqi al-Din
Answered by truth exposed, 15 Feb '12 02:41 pm

 
  
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2.

Maharaj Jaisingh
Answered by HEMANT MEHTA, 15 Feb '12 02:39 pm

 
  
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3.

Ek Ghadi asi hai jo Ghantae, Din, mahina, baras bh bathathi hai.
Answered by Surender Rao, 15 Feb '12 02:34 pm

 
  
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4.

Taqi al-Din
Answered by Ataur Rahman, 12 Sep '13 01:47 pm

 
  
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