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A Spanish military map of the northern Philippine island of Luzon, highlighting cable and telegraph lines, and aids to maritime navigation such as bathymetry (sea depth) and tide data. A conversion table for metres, fathoms and feet is also shown.

A six-sheet map of Groot-Atjèh (Aceh, northern Sumatra) focusing on areas occupied during the Aceh War (1873–1904) between the Sultanate of Aceh and Dutch colonists. It shows military positions and fortifications, buildings, routes and crops.

A map of Southeast Asia coloured to indicate the five different language families spoken in the region in the late 19th century. Names of indigenous tribes/languages are marked in red text, with European colonial possessions in grey.

Map of Borneo—with insets of Southeast Asia, Sarawak and Labuan—featuring temperature data, volcanoes, English colonial territory, products of Borneo, geology (rock types), bathymetry (sea depth) and elevations (side views of mountains with heights).

A mid-19th century map colour-coded with British, French, Portuguese, Danish and Dutch colonial possessions in India and western Southeast Asia, as well as the ‘Native States’. A table lists the dates when the British acquired each area.

A map to aid in the navigation of the rivers leading to Saigon (Ho Chi Minh City, Vietnam). Details include bathymetry (water depth), currents, and a side view (or ‘elevation’) of hills to use as a landmark. Tides are described in written remarks.