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The seas of the Dutch East Indies are the focus of this map, with maritime routes, sea temperature, sea depth, currents and monsoons shown. There are graphs of population by ethnicity, agriculture and livestock, trade and shipping, and trade exports.

A series of four maps of the Indian Ocean—one for each quarter of the calendar year—showing the direction and intensity of the winds, including around the seas of Southeast Asia. There are extensive explanatory notes.

Chart of the Indian Ocean, showing climate and weather-related data, including around the seas and straits of Southeast Asia where trade routes are marked, along with monsoon and typhoon regions, and currents during the different monsoon seasons.

A world map, including Southeast Asia, showing isothermal lines—lines that join locations of the same temperature—of annual mean temperature. There are also isobars (lines that join locations of the same barometric pressure).

A world map showing winds, hurricanes and typhoons, including trade winds, calms, typhoon, monsoon and hurricane regions in Southeast Asia. An inset map shows the approach of the Rodriguez Hurricane towards Java in 1843.

Colonial possessions of the Dutch, Spanish and Portuguese, as well as lands of ‘indigenous princes’ are marked with coloured borders on this map of maritime Southeast Asia. Hot springs and mineral water springs in Java are also listed.

The arrows on this map show the direction of the seasonal monsoons of Southeast Asia during the late 18th century. Each arrow has a label in French, indicating the month. The hatched sea areas are where the winds always blow in the same direction.

Dotted lines and colours divide maritime Southeast Asia into three regions on this map: the Philippine archipelago, Maluku Islands and Sunda Islands. The cartouche features cherub mermaids, and a map of mainland Southeast Asia is on the reverse.

This mid-17th century map of the Indian Ocean has a colourful cartouche illustrated with paintings of Asian merchants and warriors with bows and arrows. The scale is decorated with paintings of cherubs.