Map of the World, c1701. Nautical table showing magnetic variations. The phenomenon of magnetic variations was noticed during the first ocean voyages in the 1490s, but it was not understood. It was Edmond Halley who from 1698-1700 undertook an Atlantic voyage to measure the variations and plot them systematically. After 1700, a version of this chart was part of the navigator's essential equipment.
Légende

Map of the World, c1701. Nautical table showing magnetic variations. The phenomenon of magnetic variations was noticed during the first ocean voyages in the 1490s, but it was not understood. It was Edmond Halley who from 1698-1700 undertook an Atlantic voyage to measure the variations and plot them systematically. After 1700, a version of this chart was part of the navigator's essential equipment.

Date

1701

Crédit

Photo12/Heritage Images/Heritage Art

Notre référence

HRM25A14_177

Model release

NA

Property release

NA

Licence

Droits gérés

Format disponible

49,9Mo (5,6Mo) / 57,7cm x 21,7cm / 6814 x 2562 (300dpi)

Mots clés

Europe Latin library map world country French France chart continent Netherlands Dutch color location century cartography navigation magnetic magnetism British Library Colour nautical map 18th century Eighteenth Century map-making TGN map Mapmaking Pieter Mortier Pierre Mortier Edmond Halley Halley Edmund Halley Mortier Pieter Mortier Pierre Edmond Heritage Art Low Countries

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