Carte hydro-geo-graphique des Indes orientales, en deca̧ et au dela du Gange avec leur archipel
1771
Brunei, Cambodia, East Timor, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Southeast Asia, Thailand, Vietnam
The arrows on this map show the direction of the seasonal monsoons of Southeast Asia during the late 18th century. Each arrow has a label in French, indicating the month. The hatched sea areas are where the winds always blow in the same direction.