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Mer des Indes: cartes de la direction et de l'intensité probables des vents

event1880

location_onBrunei, Cambodia, Indonesia, Malaysia, Myanmar, Philippines, Thailand, Vietnam, Singapore

A series of four maps of the Indian Ocean—one for each quarter of the calendar year—showing the direction and intensity of the winds, including around the seas of Southeast Asia. There are extensive explanatory notes.

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.

Chart... Shewing the Connection and respective distances by Sea, between the principal harbours and Settlements in the East Indies

event1794

location_onThailand, Myanmar, Malaysia, Indonesia

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.

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