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This map features maritime routes: between Siam and Batavia; and five routes of the explorers Juan Gaetan and Olivier du Nord (dated 1542) east of the Philippines. The cartouche has a colourful illustration of Asian people in traditional costume.

Map of the Indian Ocean dominated by a rhumbline network—a web of interconnected lines used to help plot routes—with a compass rose at the centre. At the top there are (incomplete) drawings of people with text in Dutch, French, English and Spanish.

A brightly-coloured hand-drawn map of the Gulf of Siam, made for a ship’s captain. The elaborate compass roses are the centre of a rhumbline network, a web of lines to aid navigation. Bathymetry (sea depth), islands, shoals and reefs are also marked.

On this map, ‘Lago di Chiamay’, one of number of mythical lakes once thought to exist in southern China, feeds five rivers—labelled ‘Menam’, ‘Pegu’ ‘Maraban’, ‘Cosmin’ and ‘Caor’—which flow south through mainland Southeast Asia.