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Q.

QUIZ - who had invented the Conical measure ?

Tags: education, entertainment, environment
Asked by truth exposed, 11 Nov '12 11:01 am
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Answers (1)

 
1.

Ab al-Rayhn al-Brn invented the conical measure,[1] in order to find the ratio between the weight of a substance in air and the weight of water displaced, and to accurately measure the specific weights of the gemstones and their corresponding metals, which are very close to modern measurements
Answered by LIPSIKA, 11 Nov '12 11:02 am

 
  
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