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  2. Metal detector - Wikipedia

    en.wikipedia.org/wiki/Metal_detector

    A metal detector is an instrument that detects the nearby presence of metal. Metal detectors are useful for finding metal objects on the surface, underground, and under water. A metal detector consists of a control box, an adjustable shaft [dubious – discuss], and a variable-shaped pickup coil. When the coil nears metal, the control box ...

  3. Pentney Hoard - Wikipedia

    en.wikipedia.org/wiki/Pentney_Hoard

    The finds were declared treasure trove and property of the Crown. The hoard contents were purchased by the British Museum. As discoverer of the hoard, King was awarded £137,000, £25,000 of which he gifted to the church. [11] [12] In 1980, a re-excavation and metal detecting of the original gravesite was undertaken.

  4. List of metal detecting finds - Wikipedia

    en.wikipedia.org/wiki/List_of_metal_detecting_finds

    This is a list of historically significant items found by metal detecting method, only excluding magnet fishing finds, since magnet fishing is usually considered a distinctively different and separate hobby from traditional metal detecting.

  5. Rapiscan Systems - Wikipedia

    en.wikipedia.org/wiki/Rapiscan_Systems

    Rapiscan Metor walk-through metal detectors stem originally from Outokumpu, which was one of the first companies to develop walk-through metal detectors for security screening. The systems were originally adapted from metal detectors used in the mining industry to locate parts of broken drill bits in minerals on a conveyor belt. [5]

  6. Gerhard Fischer (inventor) - Wikipedia

    en.wikipedia.org/wiki/Gerhard_Fischer_(inventor)

    Although the actual inventor of the hand-held metal detector is disputed, the hand-held metal detector was made in 1925 and was first patented by Dr. Gerhard Fisher in 1931. A metal detector had been invented some forty years earlier (1881) by Alexander Graham Bell for the sole purpose of locating a lead bullet in President James A. Garfield.

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