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Hand-drawn portolan (nautical) chart, featuring a rhumbline network (the web of interconnected lines), bathymetry (sea depth), shoals and reefs, elevations (side views of landmark mountains), and names of coastal settlements, all to aid navigation.

Two maps of routes around the Flores and Banda seas—through the straits between the Lesser Sunda Islands and the Maluku Islands—towards China. Includes a rhumbline network—a web of lines to help plot routes—bathymetry (sea depth), shoals and reefs.

A navigation map of the Java Sea and Sunda Islands, with bathymetry (sea depth), maritime routes, shoals and reefs, and elevations (side views of terrestrial landmarks). Inset maps feature the bay at Batavia and the straits between the Sunda Islands.

This detailed map of the Dutch East Indies in the mid-19th century is spread over eight sheets, plus a cover sheet showing the whole area. There are numerous inset maps of islands, bays, cities etc.

A world map, including Southeast Asia, showing rainfall information (darker shading indicates greater rainfall). Southeast Asia lies in the ‘Zone of the Periodical Rains’, and is marked with monsoons and ‘Electrical Explosions’.

Atlas featuring over 60 detailed maps of the Dutch East Indies: 24 maps cover Java; the remainder cover the rest of the Dutch East Indies. There are three index maps. (All the maps in this atlas are also presented separately on this platform.)

Map of part of the Dutch colonial administrative region of Manado, on the Minahasa Peninsula, Celebes (Sulawesi). Includes an elevation view of the mountains. (From ‘Algemeene Atlas van Nederlandsche Indie [General Atlas of the Dutch East Indies]’.)

Map of the island of Soembawa (Sumbawa) featuring an inset map of the 1815 eruption of Mount Tambora, and an elevation showing heights of mountains. (From ‘Algemeene Atlas van Nederlandsche Indie [General Atlas of the Dutch East Indies]’.)

Four maps of areas with lakes in Celebes (Sulawesi), including the lakes and main watershed of the South Peninsula. Three of the maps feature cross-section views (elevations) which show types of rocks.

Geological map of the Minahasa Peninsula, Celebes (Sulawesi) showing rock types. Two more topographical maps show the terrain of the northeast tip of the peninsula, with elevation views including of the volcano Mount Klabat.