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From ‘Thomson’s New General Atlas’, this mid-19th century map was based on an earlier map by the English cartographer John Cary. It highlights the mountain ranges and rivers of Southeast Asia, and also features many place names.

To aid navigation, this map shows small islands, shoals and reefs, maritime routes for use during monsoons or at particular times of the year, bathymetry (sea depth), past explorers’ routes, shipwrecks and text about monsoons, typhoons and currents.

This early 19th century map was based on an earlier map by the English cartographer John Cary. It highlights the mountain ranges and rivers of Southeast Asia, and also features many place names of cities, towns and islands.

An early 19th century map by the English cartographer John Cary, highlighting the mountain ranges and rivers of Southeast Asia. The map also features many place names of cities, towns and islands.

This late 18th century map features a number of labels describing the local populations, including the Kemoys ('Savage People') of the mountains of Cokin China (Vietnam), the Biayos of Borneo, and the 'Wild People' of the mountains of Pegu (Myanmar).

Nautical charts, like this late 18th century example of the north-west coast of Borneo, were designed to help ships navigate. The numbers marked along the coastline and sea routes indicate the depth of the sea (bathymetry).

Nautical charts like this are detailed around the coasts and on the seas (e.g. river mouths, islands, shoals and reefs) while the interiors are blank. The web of lines is a rhumbline network, while the numbers indicate sea depth (bathymetry).

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.

Two maps of the Indian Ocean showing currents (represented by arrows) and winds (represented by letters A to F) during the monsoon seasons. Three routes—one old and two new—from the Isle de France (Mauritius) east to the Strait of Malacca are shown.

Although the title is in English, all the other text on this map of Southeast Asia is in French (and versions with French titles were also produced). Hand-coloured regional borders, rivers and settlements are featured.

Two maps. One features most of the world, but with Borneo, Philippines and most of mainland Southeast Asia missing, though there is an inset map of Penang. The other is a navigation map of the strait at Penang, with bathymetry and elevations.

From the first volume of John Seally’s ‘A Complete Geographical Dictionary’, this map of Asia includes the ancient kingdoms of mainland Southeast Asia, and the Sunda and Molucca islands (‘Molucca or Spice Islands’) of maritime Southeast Asia.