Search

Nautical charts like this are detailed around the coasts and on the seas (e.g. river mouths, islands, shoals and reefs) while the interiors are blank. The web of lines is a rhumbline network, while the numbers indicate sea depth (bathymetry).

This map was intended for navigation purposes, with bathymetry (sea depth), reefs, shoals and anchor points marked. One island is labelled ‘like a sugar loaf’, another ‘like a turtel [turtle]’. Oedong Sallang is the island of Phuket, Thailand.

An early 18th century navigation map, with a rhumbline network and a scale in English, French, Spanish and Dutch measurements. The cartouche includes a drawing of Asian people as primitive natives, as they were often seen in the West at the time.

Early navigation map of the South China Sea. The web of lines is a rhumbline network, while the numbers indicate sea depth (bathymetry), both used to aid navigation. A route around the Gulf of Thailand is marked with text and the dates 1643 and 1644.

Colourful hand-drawn portolan (nautical) navigation chart, featuring a rhumbline network (the web of interconnected lines), islands, shoals and reefs. With an elaborately decorated cartouche, scale and compass roses. Vellum on folding wood boards.

A brightly-coloured hand-drawn map of the South China Sea. The compass is at the centre of a rhumbline network, a web of lines to aid navigation. Bathymetry (sea depth), islands, anchor points, shoals and reefs are also marked.