Magnetic Sea Chart by Halley

Illustration

Mark Cartwright
by Edmond Halley
published on 28 September 2023
Magnetic Sea Chart by Halley Download Full Size Image

A detail of a chart showing lines of magnetic compass variation made in 1702 by the English scientist and cartographer Edmond Halley (1656-1742). Halley hoped the chart would aid navigation but the variations in magnetism over time made it useless. (Greenwich Museums, London)

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Cite This Work

APA Style

Halley, E. (2023, September 28). Magnetic Sea Chart by Halley. World History Encyclopedia. Retrieved from https://www.worldhistory.org/image/17954/magnetic-sea-chart-by-halley/

Chicago Style

Halley, Edmond. "Magnetic Sea Chart by Halley." World History Encyclopedia. Last modified September 28, 2023. https://www.worldhistory.org/image/17954/magnetic-sea-chart-by-halley/.

MLA Style

Halley, Edmond. "Magnetic Sea Chart by Halley." World History Encyclopedia. World History Encyclopedia, 28 Sep 2023. Web. 11 Apr 2024.

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