During the Northern Song Dynasty: The Birth of the West: 6 of 6: Rome, Germany, France, and the Creation of Europe in the Tenth Century by Paul Collins.

May 27, 02:10 AM
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AUTHOR.

(Photo:The Canterbury Astrolabe Quadrant, England, 1388.

PHGCOM - Own work, photographed at the British Museum

AstrolabequadrantEngland_1388

 )

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During the Northern Song Dynasty: The Birth of the West: 6 of 6: Rome, Germany, France, and the Creation of Europe in the Tenth Century by Paul Collins.