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The British admiralty charts are compiled, drawn and issued by the Hydrographic Office. This department of the Admiralty was established under Earl Spencer by an order in council in 1795, consisting of the Hydrographer, Alexander Dalrymple, one assistant and a draughtsman.
This article is a list of some of the islands that form the British Isles that have an area of 1 square kilometre (247 acres) or larger, listing area and population data. The total area of the islands is 314,965 km 2 (121,609 sq mi). [ 1 ]
This is a list of islands of the United Kingdom. The United Kingdom of Great Britain and Northern Ireland has thousands of islands within its territory and several external territories. This is a list of selected British islands grouped by constituent country or overseas territory .
The Admiralty's first Hydrographer was Alexander Dalrymple, [2] appointed in 1795 on the order of King George III and the existing charts were brought together and catalogued. The first chart Dalrymple published as Hydrographer to the Admiralty (of Quiberon Bay in Brittany) did not appear until 1800. [3]
Use of colour in British Admiralty charts. Depths which have been measured are indicated by the numbers shown on the chart. Depths on charts published in most parts of the world use metres. Older charts, as well as those published by the United States government, may use feet or fathoms. Depth contour lines show the shape of underwater relief ...
English: Nautical chart of the Bay of Islands, Newfoundland, at a scale of 1:74,400. Surveyed by Staff Commander W.F. Maxwell assisted by the officers of the Newfoundland Survey 1880-1. Not current - not to be used for navigation!
The front cover of a List of Lights volume. A list of lights is a publication describing lighthouses and other aids to maritime navigation. Most such lists are published by national hydrographic offices. Some nations, including the United Kingdom and the United States, publish lists that cover the whole world in many volumes. Other nations ...
In 1834–1836, British captain Robert Moresby undertook the laborious and difficult cartography of the Maldives, drawing the first accurate maritime charts of this complicated Indian Ocean atoll group. These Admiralty charts were printed as three separate large maps by the Hydrographic Service of the Royal Navy. Although they contain a few ...