metal detector wikipedia the free encyclopedia

metal detector wikipedia the free encyclopedia

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  • Metal detectorWikipedia

    A metal detector is an electronic instrument which detects the presence of metal nearby. Metal detectors are useful for finding metal inclusions hidden within objects, or metal objects buried underground. They often consist of a

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  • Magnetic anomaly detectorWikipedia

    A magnetic anomaly detector (MAD) is an instrument used to detect minute variations in the Earth's magnetic field. The term refers specifically to magnetometers used by military forces to detect submarines (a mass of ferromagnetic material creates a detectable disturbance in the

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