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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.

This detailed map of the Dutch East Indies in the mid-19th century contains a great deal of information: topographical details, settlements and administrative areas, roads, railways and maritime routes, telegraph lines, inset maps etc.

On the main map, the volcanic regions of Southeast Asia are labelled, active and extinct volcanos are marked, and the 1815 eruption of Tumbora (Mount Tambora on Sumbawa) is highlighted. Even more details are shown on an inset map of Southeast Asia.

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.

Chart of the Pacific Ocean, showing climate and weather-related data, including around the seas and straits of eastern Southeast Asia where maritime trade routes are marked, along with monsoon regions, ocean temperatures and currents.

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.

World map showing the distribution of plants, including in Southeast Asia (e.g. Areca catechu (betel tree), Calamus, Caryota urens, Altingia, Pinus Dammara (Amboina pine), P. sinensis). With data on plant growth in different temperature zones.

Map of important food crops (rice in Southeast Asia). Inset maps of tea, cassia, pepper, cinnamon, clove, nutmeg, sugar, coffee. With isothermal lines—lines joining locations of same temperature—of summer and winter temperatures, and plant drawings.

Two maps showing the distribution of rodent and ruminant animal species, including in Southeast Asia. Lines show the geographical range of individual species, alongside illustrations of the animals featured.

Two maps showing the distribution of birds, including Southeast Asia on the upper map. Lines show the geographical range of different types of birds, alongside illustrations of some of the birds featured.

Four world maps showing the distribution of reptiles and snakes, including in Southeast Asia. Lines show the geographical range of individual species, alongside illustrations of some of the animals featured.