Image: Magnetic Compass

Magnetic Compass

Magnetic Compass, instrument that indicates direction by means of a needle pointing in the direction of the magnetic North Pole.

For information on: underlying principle

For information on:
underlying principle, "see "Magnetism: "The Magnetic Field"
terrestrial magnetism, "see "Magnetic Pole
types of magnetic compasses, "see "Compass: "Magnetic Compass"
comparison with gyrocompass, "see "Gyroscope: "Applications of the Gyroscope"
use in navigation, "see "Navigation: "Compass"
introduction of the magnetic compass, "see "Navigation: "Introduction of the Compass and Chart"
importance in history of navigation, "see "Technology: "Transportation"

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