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Quadrant With « Nonius » by Pedro Nunes ( replica)
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Quadrant displaying the «  Nonius » by thé mathematician Pedro Nunes Replica of the original made by James Kyunyn ( c. 1595) displaying at thé Muséologies Galileo un Florence, fitted according to the drawing , published by Robert Dudley in the book D’elle Arcand Del Mar ,1646-1647
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