Article ID: CBB789426125

History and Critical Analysis of Fifteenth and Sixteenth Century Nautical Tables (2017)

unapi

Analysis of fifteenth- and sixteenth-century solar tables which have been used in navigation, and of declination tables derived from them, reveals that much of the accepted history needs revision. In particular, the celebrated astronomical tables of Abraham Zacut contain systematic and accidental errors by which later tables may be identified as derived from them. The tables of Pedro Nunez and Martín Cortes are not their own, but have been copied from those of Philipp Imsser, which are usually, but incorrectly, attributed to his predecessor Johannes Stöffler. William Bourne used an incorrect conversion table to calculate his declinations and had to manipulate his data to hide it. Pedro de Medina’s Dutch translation by Marten Everaert has declination tables that fit neither the Alfonsine nor the Copernican scheme and are inconsistent within themselves. Also, the declination tables of Lucas Jansz. Waghenaer need amendment and those of Willem Jansz Blaeu are older than he suggests himself. The absolute accuracy of declination tables is assessed in retrospect by comparison with modern celestial mechanics programmes.

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Authors & Contributors
Grijs, Richard de
Chabás, José
Herrera-Casais, Mónica
Goldstein, Bernard R.
Hilster, Nicolàs de
Mario Negri
Journals
Suhayl: Journal for the History of the Exact and Natural Sciences in Islamic Civilisation
Terrae Incognitae
e-Perimetron: International Web Journal on Sciences and Technologies Affined to History of Cartography and Maps
Royal Historical Society. Transactions
Renaissance Quarterly
Journal of Astronomical History and Heritage
Publishers
By the Book, Edições Especiais
Tinta da China
utzverlag
IOP Publishing Ltd
Edizioni dell'Orso
Ediciones Universidad de Salamanca
Concepts
Nautical charts
Nautical astronomy
Maps; atlases
Cartography
Navigation
Geography
People
Zacut, Abraham
van Deutecum, Jan
Fernández De Enciso, Martin
Pflaum, Jakob
Waghenaer, Lucas Janszoon
Zheng, He
Time Periods
16th century
15th century
17th century
14th century
Early modern
Renaissance
Places
Indian Ocean
Mediterranean region
Spain
Portugal
Tunisia
Gulf of Riga
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