In 1288, the instrument thought of for making astronomical measurements was

Options :
  1. An Astrolabe
  2. A Reticle
  3. A Quadrant
  4. A Sunagor

Answer and Explanation :-

Answer: Option 3


A quadrant is easy to use as compared to an astrolobe which was usd earlier. This invention was based on the written treatise of Hebrew about the quadrant.

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