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This map of the Burman Empire (Myanmar) features mountains, forests and rivers, as well as borders with Siam (Thailand) and Laos. Text notes how far up rivers boats can reach (‘Boats reach hither from the Sea’), ruby mines and rice fields.

Includes part of maritime Southeast Asia. New Guinea is labelled as ‘discovered in 1527’—a reference to the Portuguese explorer Jorge de Menezes—with additional labels describing the terrain (‘Very low land’, ‘Coast is not well known’, ‘An Opening’).

On this map of Sumatra, the west coast mountain ranges contrast with the rivers to the east. An inset map of Singapore focuses on jungles along the coasts, and features bathymetry (sea depth) around the south coast and along the Singapore Strait.

Hand-drawn map of routes through the Iris-straat (Iris Strait) and Triton’s-baai (Triton Bay) in New Guinea. Bathymetry (sea depth) and reefs are shown, and there is an elevation (side view) of the islands and hills seen at the bay’s entrance.

By Belgian geographer Philippe Vandermaelen (1795–1869), this 19th century map of the Malay Peninsula also features the Riau Islands—including the Anambas and Natuna islands in the South China Sea—the Straits of Malacca and the Singapore Strait.

This early 19th century map shows the islands, shoals and reefs in the harbour of the important port city of Batavia (Jakarta) in the Dutch East Indies. Individual islands and reefs are named, as are the rivers and canals on land.

The ports of Batavia (Jakarta) and Bantem (Banten) feature on this navigation map of the north coast of Java. Shoals, reefs, bathymetry (sea depth, in figures) and anchor points are marked, with explanatory notes written next to some islands/reefs.

Chart of the Singapore Strait, Riau Archipelago and Lingga Islands, marked with bathymetry (sea depth), side views of landmark mountains (elevations), written notes, and islands, shoals and reefs, all to aid navigation.

This map of the Burman Empire (Myanmar) features mountains, forests and rivers, as well as borders with Siam (Thailand) and Laos. Text notes how far up rivers boats can reach (‘Boats reach hither from the Sea’), ruby mines and rice fields.

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), past explorers’ routes, shipwrecks and text about monsoons, typhoons and currents.

Chart of the Singapore Strait, Riau Archipelago and Lingga Islands, marked with bathymetry (sea depth), side views of landmark mountains (elevations), written notes, and islands, shoals and reefs, all to aid navigation.

This map of the Straits of Malacca features shoals and reefs, bathymetry (sea depth), drawings of side views of landmark mountains (elevations) and written observations, all designed to aid navigation. Pencil marks indicate the map was actually used.