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Navigation map of the northwest coast of Sumatra. Bathymetry (sea depth), anchor points, shoals and other obstructions (clay, coral, mud, stones, sand) are marked, with hills and settlements to use as landmarks.

Navigation map of the west coast of Celebes (Sulawesi), north of Makassar. Bathymetry (sea depth), shoals and other obstructions are marked, with hills and settlements as landmarks, and elevations (side views of hills) to aid navigation.

Navigation map of the west coast of Celebes (Sulawesi), north of Makassar. Bathymetry (sea depth), lighthouses, shoals and other obstructions are marked, with trees and hills as landmarks, and elevations (side views of hills) to aid navigation.

Navigation map of the west coast of Celebes (Sulawesi), north of Makassar. Bathymetry (sea depth), shoals and other obstructions are marked, with hills and settlements as landmarks, and elevations (side views of hills) to aid navigation.

Fifteen separate maps of bays and river mouths of Sumatra, including bathymetry (sea depth), anchor points, reefs and shoals, and tide data. There is a drawing of the mouth of the Pidada-rivier.

A map to aid navigation around the Bay of Turon (location of modern city of Da Nang, Vietnam). Bathymetry (sea depth) is marked, as is the route of the Dutch ship ‘Jackaij’ on her departure from the bay. An elevation view of the land is shown below.

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.

Two pages from ‘Rerum et urbis Amstelodamensium historia’ by Johannes Pontanus, featuring a drawing of the Dutch merchant seaman Cornelis de Houtman’s ships anchored in the Bay of Bantam (Banten, Java) during the first Dutch expedition to the region.

An early map of the island of Borneo, depicting the natural landscape of mountains, forests, rivers and shoals, and also evidence of human habitation with houses representing settlements, and a port and shipping route along the northern coast.