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  2. Admiralty chart - Wikipedia

    en.wikipedia.org/wiki/Admiralty_chart

    [4]: 27 [5]: 105–106 The first catalogue of Admiralty charts was published in 1825, and listed 756 charts. [6] Admiralty Chart of the coast of Peru, surveyed by Robert FitzRoy in 1836, engraved in 1840, and published with corrections to 1960. Charts were printed from copper plates. Plates were engraved, in reverse, with a burin.

  3. Notice to mariners - Wikipedia

    en.wikipedia.org/wiki/Notice_to_Mariners

    It is the responsibility of users to decide which of their charts and publications require correction. Mariners are requested to cooperate in the correction of charts and publications by reporting all discrepancies between published information and conditions actually observed and by recommending appropriate improvements.

  4. Electronic navigational chart - Wikipedia

    en.wikipedia.org/wiki/Electronic_navigational_chart

    An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...

  5. United Kingdom Hydrographic Office - Wikipedia

    en.wikipedia.org/wiki/United_Kingdom...

    By the time of Beaufort's retirement in 1855, the Chart Catalogue listed 1,981 charts and 64,000 copies of them had been issued to the Royal Navy. [10] In the 1870s, the Royal Naval Surveying Service supported the Challenger expedition, a scientific exercise that made many discoveries, laying the foundation of oceanography.

  6. Henry Draper Catalogue - Wikipedia

    en.wikipedia.org/wiki/Henry_Draper_Catalogue

    The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts ...

  7. File:Abbot, Downing 1871 catalog Chart A1.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Abbot,_Downing_1871...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  8. Melotte catalogue - Wikipedia

    en.wikipedia.org/wiki/Melotte_catalogue

    The Melotte catalogue is a catalogue of 245 star clusters compiled by British astronomer Philibert Jacques Melotte. It was published in 1915 as A Catalogue of Star Clusters shown on Franklin-Adams Chart Plates. [1] Catalogue objects are denoted by Melotte, e.g. "Melotte 20". Dated prefixes include as Mel + catalogue number, e.g. "Mel 20". [2]

  9. Standard Catalog of World Coins - Wikipedia

    en.wikipedia.org/wiki/Standard_Catalog_of_World...

    Standard Catalog of World Crowns and Talers from 1601 to date, 1st Edition, publication date 1994, Krause Publications, ISBN 978-0-8734-1211-7; Standard Catalog of World Gold Coins: With Platinum and Palladium Issues: 1601–present, 6th Edition, publication date 2009, Krause Publications, ISBN 978-1-4402-0424-1 Digital copy available separately.