Nicolai, Roel (Author)
The sudden appearance of portolan charts, realistic nautical charts of the Mediterranean and Black Sea, at the end of the thirteenth century is one of the most significant occurrences in the history of cartography. Using geodetic and statistical analysis techniques these charts are shown to be mosaics of partial charts that are considerably more accurate than has been assumed. Their accuracy exceeds medieval mapping capabilities. These sub-charts show a remarkably good agreement with the Mercator map projection. It is demonstrated that this map projection can only have been an intentional feature of the charts’ construction. Through geodetic analysis the author eliminates the possibility that the charts are original products of a medieval Mediterranean nautical culture, which until now they have been widely believed to be.
...MoreReview Lesley B. Cormack (2019) Review of "The Enigma of the Origin of Portolan Charts: A Geodetic Analysis of the Hypothesis of a Medieval Origin". Isis: International Review Devoted to the History of Science and Its Cultural Influences (pp. 394-395).
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Tarek Kahlaoui;
(2018)
Creating the Mediterranean: Maps and the Islamic Imagination
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Nicolai, Roel;
(2015)
The Premedieval Origin of Portolan Charts: New Geodetic Evidence
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Emilie Savage-Smith;
(2014)
Cartography
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Emmanuelle Vagnon;
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(2019)
The Liber de existencia riveriarum (c.1200) and the Birth of Nautical Cartography
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A Newly Discovered Chart Fragment from the Lucca Archives, Italy
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Matthew Clark and the Beginnings of Chart Publishing in the United States
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(2014)
Cartography as a Tool of Colonization: Sir Humphrey Gilbert's 1583 Voyage to North America
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José Mária Moreno Madrid;
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Desenhando a Porta do Pacífico - Mapas, Cartas e Outras Representações Visuais do Estreito de Magalhães
(/isis/citation/CBB340677213/)
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Sandman, Alison;
(2002)
Mirroring the World: Sea Charts, Navigation, and Territorial Claims in Sixteenth-Century Spain
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Wigal, Donald;
(2007)
Historic Maritime Maps
(/isis/citation/CBB000831126/)
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(2012)
Os objetivos da circunavegação da U.S. Exploring Expedition (1838--1842): longitude, mapeamento náutico e instituição das coordenadas geográficas modernas
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Tyacke, Sarah;
(2008)
Gabriel Tatton's Maritime Atlas of the East Indies, 1620--1621: Portsmouth Royal Naval Museum, Admiralty Library Manuscript, MSS 352
(/isis/citation/CBB000931588/)
Article
Joaquim Alves Gaspar;
Henrique Leitão;
(2019)
Early Modern Nautical Charts and Maps: Working Through Different Cartographic Paradigms
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Article
Moore, John N.;
(2000)
John Adair's Contribution to the Charting of the Scottish Coasts: A Re-Assessment
(/isis/citation/CBB000671374/)
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Hongping Annie Nie;
(2019)
The Selden Map of China: A New Understanding of the Ming Dynasty
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Blake, John;
(2004)
The Sea Chart: The Illustrated History of Nautical Maps and Navigational Charts
(/isis/citation/CBB000651802/)
Article
Roel Nicolai;
(2021)
The Map Projection of Portolan Charts
(/isis/citation/CBB065271041/)
Chapter
Joaquim Alves Gaspar;
(2021)
Navegação e cartografia náutica nos séculos XV e XVI
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Chapter
Patricia Seed;
(2015)
Unpasted: A Guide to Surviving Prints of Mercator’s Nautical Chart of 1569
(/isis/citation/CBB098106728/)
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