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A magnetometer

A magnetometer

Magnetometers are scientific instruments that measure the strength of magnetic fields.

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GNS Science
Photograph by Tony Hurst

Permission of GNS Science must be obtained before any use of this image

Changing position of the magnetic south pole

Magnetic declination in New Zealand

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How to cite this page: Tony Hurst. 'Magnetic field', Te Ara - the Encyclopedia of New Zealand, updated 21-Sep-2007
URL: http://www.TeAra.govt.nz/EarthSeaAndSky/Geology/MagneticField/en

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