Emisfero settentrionale 1816 mappa Thomson Mts. tracce esploratori di Moon in Africa

Northern Hemisphere 1816 Thomson map Mts. Issued Edinburgh, 1816 by Thomson. Northern Hemisphere Projected on the Plane of the Horizon of London. Of note for the prominent huge unbroken chain of mountains depicted cutting across the entire middle interior, naming the apocryphal Mountains of the Moon and the supposed course of the Niger river.

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