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A map to aid navigation around the Bay of Touranne (Bay of Turon, location of modern city of Da Nang, Vietnam). The web of lines is a rhumbline network, and bathymetry (sea depth), anchor points and two elevation views of the coasts are shown.

The coast of New Guinea (‘Nouvelle Guinée’) is represented in part by a dotted line on this mid-18th century map, indicating that the exact coastlines were unknown at this time. The western tip is labelled ‘C. de Bonne Esperance [Cape of Good Hope]’.