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A nautical chart of the Indian Ocean showing bathymetry (sea depth), including in great detail around the seas and straits of Southeast Asia.

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.

Marine chart of the Pacific Ocean, including Southeast Asia. Small islands, shoals and reefs are marked, and often named, around the seas and straits of the region.

Colonial possessions of the Dutch, Spanish and Portuguese, as well as lands of ‘indigenous princes’ are marked with coloured borders on this map of maritime Southeast Asia. Hot springs and mineral water springs in Java are also listed.