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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.
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 coast of Turkey from the Samos Strait to the Mandelyah Gulf. Surveyed by Commander T. Graves and the officers of H.M. Surveying Ship Beacon, 1835-7. Not current - not to be used for navigation!
Admiralty chart; Metadata. This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
English: Nautical chart of Hay Island to Bow Reef. North of Morris Island surveyed by Lieut. Commander W.V.S. Howard and the officers of H.M. Surveying Ship Dart, 1896-1897; South of Morris Island surveyed by Lieut. Commander J.F. Parry, H.M. Surveying Ship Dart, 1898.
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!
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English: Nautical charts in the Bass Strait. Surveyed by acting Lieutenant John Murray 1801-1802. Surveyed by acting Lieutenant John Murray 1801-1802. Not current - not to be used for navigation!