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Seven locations in the Dutch East Indies on one sheet: the islands of Borneo, Sumatra, Celebes (Sulawesi), Ambon and Banda, the city of Padang and its region on the west coast of Sumatra, and the tip of the Minahasa Peninsula (northern Celebes).

Navigation map of the southern part of the South China Sea, including the straits of Malacca and Singapore, and the Riau Archipelago. Bathymetry (sea depth), lighthouses, shoals and other obstructions are marked, with hills to use as landmarks.

Map of Sumatra and surrounding islands, with residencies—administrative districts—shown by coloured borders. There are inset maps of two residencies surrounding Padang, and of Groot-Atjeh (Aceh). Rivers, railways, roads and settlements are marked.

Navigation map of the southern part of the South China Sea, including the straits of Malacca and Singapore, and the Riau Archipelago. Bathymetry (sea depth), lighthouses, shoals and other obstructions are marked, with hills to use as landmarks.

The shaded area on this map is where volcanic ash fell from the 1883 eruption of Krakatoa (Sunda Strait between Sumatra and Java). Red figures record the thickness of the ash in millimetres; black figures are distance from the eruption in kilometres.

A map charting the effects of the 1883 Krakatoa volcanic eruption: a red circle where the eruption was heard; black lines showing the hourly spread of the resulting waves; and a list of ships on which ash fell, or that encountered pumice (with date).

The use of hachures—short lines/dashes that give a sense of the shape and steepness of terrain—highlight the mountain ranges along the west coast of this map of Sumatra. Many rivers flow east from the mountains to the Malacca Strait.

A late 19th century map of the Dutch East Indies on four sheets, detailing maritime routes around the region. There are also inset maps showing railways, rivers, roads, and telegraph systems, as well as individual islands and cities.

Map of the Riouw (Riau) Residency, Sumatra. The border between Riau and the island’s west coast is marked in red ‘as far as it is known [voor zoo verre die... bekend is]’, ending abruptly in the unexplored mountains near Lake Toba, northern Sumatra.

Map of the Dutch East Indies, divided into administrative regions with coloured borders. There is an inset map of the important port city of Batavia (Jakarta) and its surroundings.

Map of the East Indies in the mid-19th century, with Dutch colonial territory (Dutch East Indies) coloured in brown. Dutch administrative regions—such as residencies (‘residentie’) and governorates (‘gouvernement’)—are labelled.

Map of the Dutch East Indies, divided into administrative regions with coloured borders. There is an inset map of the important port city of Batavia (Jakarta) and its surroundings.