'Partie Orientale De La Terre Ferme De L' Inde Moderne'. Gulf of Bengal; Burma & Thailand by Allain Manesson; Paris; 1683. Copper engraving; hand colored in wash and outline. Decorative engraved map showing the gulf of Bengal with Burma and Thailand and neighbouring countries. With several engraved names of rivers and regions; including the mythical 'Lake Chiamay' or 'Lake Chiang Mai'; supposed source for many of the great rivers of Southeast Asia.