![](https://historicalmaps.yale-nus.edu.sg/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBFZz09IiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--9b1ca138d568a2a2270cdd6e3093a59bb996f734/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lNTkRBd2VETXdNQVk2QmtWVSIsImV4cCI6bnVsbCwicHVyIjoidmFyaWF0aW9uIn19--bc467f5637e8b6d3bfb826116f92b6bfedfbf03a/bodleian-0050.jpeg)
A chart of north-west coast of Borneo: from Balambangan to Borneo proper
1794
Malaysia
Nautical charts, like this late 18th century example of the north-west coast of Borneo, were designed to help ships navigate. The numbers marked along the coastline and sea routes indicate the depth of the sea (bathymetry).