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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, 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’.

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.

Maritime routes had to be adjusted in response to the changing monsoon seasons, as is seen on this late 18th century map of the Indian Ocean. Drawings of the heads of children blowing—called ‘wind-heads’—are used to indicate wind direction.

The ancient kingdoms of mainland Southeast Asia are shown on this 18th century map, including Ava and Pegu (Myanmar), Siam (Thailand), Tonquin (Vietnam), Laos and—between Cochin China (Vietnam) and Camboja (Cambodia)—‘A Savage Nation called KEMOYS’.

The title of this early 18th century map of Asia by the London-based cartographer Herman Moll (1654?–1732) refers to European colonial territories. These can be seen around the coast of India, but mostly had not yet reached further east.

The title of this early 18th century map of Asia by the London-based cartographer Herman Moll (1654?–1732) refers to European colonial territories. These can be seen around the coast of India, but mostly had not yet reached further east.

Map of the Indian Ocean dominated by a rhumbline network—a web of interconnected lines used to help plot routes—with a compass rose at the centre. At the top there are (incomplete) drawings of people with text in Dutch, French, English and Spanish.

This map of Asia is dedicated to Prince William, Duke of Gloucester, and features a drawing of his coat of arms. He had been in line to succeed to the English throne, but died at the age of 11 in 1700, the year before this map was produced.

This early 18th century map shows Southeast Asia alongside India and part of China, with the names of cities, towns, ports, rivers and mountains marked. A handwritten note at the top left comments on the map's accuracy.