Sumatra coastline near Bangka today (left) and according to an eighteenth century map (right)


Although many of the geographical
details on the older map can be matched to points on a modern map, it is
impossible to say whether the differences are a matter of changing geography or
different degrees of accuracy.


Further reading

Manguin, Pierre-Yves, 'Sumatran coastline in the Straits of Bangka: new evidence for its permanence in historical times', SPAFA Digest: Journal of SEAMO Project in Archaeology and Fine Arts 3 no.2 (1982), pp. 24-28.

Map number from Cribb, Historical Atlas of Indonesia (2000)