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Six-sheet map of the Malay Peninsula, featuring settlements, mountains and rivers. Labels note names of indigenous peoples, or describe terrain/resources. There is an inset map of Singapore town, and the Straits Settlements are highlighted in red.

Nautical charts like this are detailed around the coasts and on the seas (e.g. river mouths, islands, shoals and reefs) while the interiors are blank. The web of lines is a rhumbline network, while the numbers indicate sea depth (bathymetry).

Maritime routes had to be adjusted in response to the changing monsoon seasons, as is seen on this late 18th century map of the Indian Ocean. Drawings of the heads of children blowing—called ‘wind-heads’—are used to indicate wind direction.