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This detailed map of the Dutch East Indies in the mid-19th century contains a great deal of information: topographical details, settlements and administrative areas, roads, railways and maritime routes, telegraph lines, inset maps etc.

Early navigation map of the South China Sea. The web of lines is a rhumbline network, while the numbers indicate sea depth (bathymetry), both used to aid navigation. A route around the Gulf of Thailand is marked with text and the dates 1643 and 1644.