Two sixteenth-century nautical charts of the South Atlantic Ocean: an early example of cartography used at sea.

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Title: Two sixteenth-century nautical charts of the South Atlantic Ocean: an early example of cartography used at sea.
Authors: Krtalić, Šima1 (AUTHOR) sima.krtalic@gmail.com, McIntosh, Gregory C.1 (AUTHOR)
Source: Journal of Navigation. Nov2022, Vol. 75 Issue 6, p1280-1297. 18p.
Subjects: Nautical charts, Harry Ransom Humanities Research Center, Ocean, Geographic names, Cartography, Ransom
Geographic Terms: Portugal
Abstract: Despite the crucial role played by nautical cartography during the 16th-century Iberian Expansion, surviving examples of charts used at sea are extremely rare, leaving gaps in our knowledge of how they were used in practice during this pivotal period. The present paper sheds light on this matter by introducing one of earliest extant Portuguese charts presenting positional fixes, which have so far gone unnoticed by researchers: the anonymous chart of about 1524 kept at the James Ford Bell Library. It is demonstrated that a second chart, kept at the Harry Ransom Center, was made by the same author from the same pattern. The production context of the charts is evidenced through a description of the manuscript copying technique most likely employed, and the rules governing chart manufacture in 16th-century Portugal. Exceptional aspects of the charts' placenames are discussed, and a possible source for their geographical design is identified. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Navigation is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Two sixteenth-century nautical charts of the South Atlantic Ocean: an early example of cartography used at sea.
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  Data: <searchLink fieldCode="AR" term="%22Krtalić%2C+Šima%22">Krtalić, Šima</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sima.krtalic@gmail.com</i><br /><searchLink fieldCode="AR" term="%22McIntosh%2C+Gregory+C%2E%22">McIntosh, Gregory C.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Navigation%22">Journal of Navigation</searchLink>. Nov2022, Vol. 75 Issue 6, p1280-1297. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Nautical+charts%22">Nautical charts</searchLink><br /><searchLink fieldCode="DE" term="%22Harry+Ransom+Humanities+Research+Center%22">Harry Ransom Humanities Research Center</searchLink><br /><searchLink fieldCode="DE" term="%22Ocean%22">Ocean</searchLink><br /><searchLink fieldCode="DE" term="%22Geographic+names%22">Geographic names</searchLink><br /><searchLink fieldCode="DE" term="%22Cartography%22">Cartography</searchLink><br /><searchLink fieldCode="DE" term="%22Ransom%22">Ransom</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Portugal%22">Portugal</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Despite the crucial role played by nautical cartography during the 16th-century Iberian Expansion, surviving examples of charts used at sea are extremely rare, leaving gaps in our knowledge of how they were used in practice during this pivotal period. The present paper sheds light on this matter by introducing one of earliest extant Portuguese charts presenting positional fixes, which have so far gone unnoticed by researchers: the anonymous chart of about 1524 kept at the James Ford Bell Library. It is demonstrated that a second chart, kept at the Harry Ransom Center, was made by the same author from the same pattern. The production context of the charts is evidenced through a description of the manuscript copying technique most likely employed, and the rules governing chart manufacture in 16th-century Portugal. Exceptional aspects of the charts' placenames are discussed, and a possible source for their geographical design is identified. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Journal of Navigation is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1017/S0373463322000662
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      – Code: eng
        Text: English
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        PageCount: 18
        StartPage: 1280
    Subjects:
      – SubjectFull: Nautical charts
        Type: general
      – SubjectFull: Harry Ransom Humanities Research Center
        Type: general
      – SubjectFull: Ocean
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      – SubjectFull: Geographic names
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      – SubjectFull: Cartography
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      – SubjectFull: Ransom
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      – SubjectFull: Portugal
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      – TitleFull: Two sixteenth-century nautical charts of the South Atlantic Ocean: an early example of cartography used at sea.
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            NameFull: McIntosh, Gregory C.
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            – D: 01
              M: 11
              Text: Nov2022
              Type: published
              Y: 2022
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