Bonne Gulf of Guinea 1780


R. Bonne. “Carte de la haute et de la Basse Guinea depuis la Riviere de Sierra Leona jusqu’au Cap Negro.” Paris, 1780. Engraving by Andre. 8 3/8 x 12 9/16. Very good condition.

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Rigobert Bonne (1727-95) was the Royal Hydrographer of France, so his primary interest was in marine charts. However, with his Royal connections and access to the cartographic documents in Paris, Bonne was able to compile maps containing some of the most up-to-date information of his time. This map is a good example of his work, including precisely drawn coastal profiles and details, and considerable inland information on geography, rivers, towns, and political boundaries. Also shown are the prevailing wind directions.