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To aid navigation, this map shows small islands, shoals and reefs, maritime routes for use during monsoons or at particular times of the year, bathymetry (sea depth), tide information, shipwrecks, compass roses and landmark mountains at the coasts.

The arrows on this map mark the direction of the seasonal monsoons experienced in the South China Sea and Philippine Sea during the late 18th century. Each arrow has a label indicating the month.

This map showcases the colonial territories of Southeast Asia in the 18th century, with text detailing trading information and the products of each region. There are five inset maps featuring plans of specific trading ports.

This map showcases the colonial territories of Southeast Asia in the 18th century, with text detailing trading information and the products of each region. There are five inset maps featuring plans of specific trading ports.

This map showcases the colonial territories of Southeast Asia in the 18th century, with text detailing trading information and the products of each region. There are five inset maps featuring plans of specific trading ports.