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A chart of north-west coast of Borneo: from Balambangan to Borneo proper

event1794

location_onMalaysia

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).

Chart... Shewing the Connection and respective distances by Sea, between the principal harbours and Settlements in the East Indies

event1794

location_onThailand, Myanmar, Malaysia, Indonesia

Maritime routes had to be adjusted in response to the changing monsoon seasons, as is seen on this late 18th century map of the Indian Ocean. Drawings of the heads of children blowing—called ‘wind-heads’—are used to indicate wind direction.

Sketch of the Straits of Gaspar

event1794

location_on-

Map of the Gaspar Strait, off the east coast of Sumatra. The web of lines is a rhumbline network, numbers indicate sea depth (bathymetry), and there are side views of islands (elevations), all to aid navigation. Five 18th century routes are marked.

The coast of India and China from the point and river of Camboja to Canton: comprehending the coasts of Tsiompa and Cochinchina, with the coast of Tonkin and the coast of Koan-Ton, with the isle of Hai-nan

event1794

location_onCambodia, Vietnam

Navigation chart of the east coast of mainland Southeast Asia, from Cambodia to China. Islands, shoals and reefs are marked, along with bathymetry (sea depth). There are seven side views of islands (elevations) to use as landmarks.

A chart of the currents in the Indian Sea during the southwest monsoon, to the northward of the line / A chart of the currents in the Indian Sea during the northeast monsoon, to the northward of the line

event1794

location_onMalaysia, Indonesia, Myanmar, Thailand

Two maps of the Indian Ocean showing currents (represented by arrows) and winds (represented by letters A to F) during the monsoon seasons. Three routes—one old and two new—from the Isle de France (Mauritius) east to the Strait of Malacca are shown.

A chart of a part of the coast of Cochinchina: from Cham-Collao Island to the King's River

event1794

location_onVietnam

A map to aid navigation around the Touranne Bay (Bay of Turon, location of modern city of Da Nang, Vietnam). The web of lines is a rhumbline network, and bathymetry (sea depth), anchor points and two elevation views of the coasts are shown.

Plan of Pulo Condor

event1794

location_onVietnam

There is a port at the south of this map of the Côn Đảo archipelago (Vietnam), and notes giving details such as a suitable location to careen ships (turning a ship on its side for cleaning or repair). A ruined English fort is also marked.

A new chart of the north coast of Java: wherein are described the roads of Bantam and Batavia

event1794

location_onIndonesia

Map of the Batavia (Jakarta) and Bantam (Bantem) roadsteads (a body of water sheltered from tides/currents, for ships to anchor). Shoals, reefs and bathymetry (sea depth) are marked, with explanatory notes and a rhumbline network to aid navigation.

A new chart of the straits of Sunda: From the manuscript of the Dutch East India Company

event1794

location_onIndonesia

Navigation chart of the Sunda Strait, showing bathymetry (sea depth), shoals and reefs, landmarks, and a rhumbline network. Notes record good anchorages, sources of water and supplies etc. Inset map of the Zutphen Islands off the coast of Sumatra.

A new chart containing the southwest part of the China Sea comprised between the Malaya Peninsula, Straits of Singapore &c. the Straits of Banca, Gaspar and Billiton and the Isle of Borneo

event1794

location_onIndonesia

A map of the China Sea between Malaya, Sumatra and Borneo. The numbers indicate sea depth (bathymetry), and there are drawings of the side views of some of the islands (elevations), both used to aid navigation. Some maritime routes are also marked.

A new plan of the Straits, situated to the east of Java & Madura commonly called the Straits of Bali and of Pondi and Respondi

event1794

location_onIndonesia

A late 18th century navigation map of the waters between the islands of Java, Madura and Bali. The web of lines is a rhumbline network, the numbers indicate sea depth (bathymetry), and there is an inset map of the Bay of Ballambouang, Java.

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