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Physical chart of the Indian Ocean: shewing the temperature of the water, the currents of the air and ocean, directions of the wind, districts of hurricanes, regions of the monsoons & ty-foons, trade routes &c&c.

event1849

location_onBrunei, Cambodia, East Timor, Indonesia, Laos, Malaysia, Myanmar, Papua New Guinea, Philippines, Singapore, Southeast Asia, Thailand, Vietnam

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.

The river systems of Asia & Europe: showing the boundaries and comparative extent of the river basins and the seas to which they contribute their waters

event1849

location_onBrunei, Cambodia, East Timor, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Southeast Asia, Thailand, Vietnam

Map of the rivers and river basins of Europe and Asia. In Southeast Asia, the Irawady and Menam Kong basins are shown, with their area in square miles (and their area as a multiple of the size of the Pregel River basin).

Humboldt's system of isothermal lines: or lines of equal annual mean temperature over the Globe

event1849

location_onBrunei, Cambodia, East Timor, Indonesia, Laos, Malaysia, Myanmar, Papua New Guinea, Philippines, Singapore, Southeast Asia, Thailand, Vietnam

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).

Survey of the geographical distribution and cultivation of the most important plants which are used as food for man: with indications of the isotheres & isochimenes, or lines of equal summer & winter temperature

event1849

location_onBrunei, Cambodia, East Timor, Indonesia, Laos, Malaysia, Myanmar, Papua New Guinea, Philippines, Singapore, Southeast Asia, Thailand, Vietnam

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.

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