Carte reduite des costes occidentale d'Afrique

Author: Bellin, Jacques Nicolas
Date: 1765
Location: Africa, Northwest, Atlantic Coast (Africa)

Dimensions: 82.0 x 56.0 cm.
Scale: [ca. 1:2,720,000]
Call Number: G8735 1765 .B4


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This chart predates the standardization of the measurement of longitude from the Greenwich Meridian, located near London. During the 18th century, map makers could choose one of several points from which to measure longitude. In fact, this chart provides references to five meridians: Paris, London (Greenwich), Ferro (western most of the Canary Islands), Tenerife (largest of The Canary Islands), and Cape Lizard (a southwestern peninsula of England). Prepared in the portolan-style, this chart contrasts nicely with modern navigational charts of the same region. They both have the same function -- to safely guide sailors through complicated and sometimes treacherous coastal waters.

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