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Fig. 2 | Earth, Planets and Space

Fig. 2

From: Geodesy in Japan: legends and highlights

Fig. 2

Meridian arc length measurements in Japan and the world. Comparison of the meridian arc length measurements in eighteenth century by Europeans (expedition to Ecuador and Lapland, northern Finland, in early eighteenth century and measurements by the French government to establish the metric system in late eighteenth century), and around 1802 by Ino and his team in NE Japan

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