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  2. 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.

  3. 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 ...

  4. Demining - Wikipedia

    en.wikipedia.org/wiki/Demining

    It involves a metal detector, prodding instrument and tripwire feeler. [36] Deminers clear an area of vegetation and then divide it into lanes. A deminer advances along a lane, swinging a metal detector close to the ground. When metal is detected, the deminer prods the object with a stick or stainless steel probe to determine whether it is a mine.

  5. 7 Best Metal Detectors of 2023, Reviewed by Experts - AOL

    www.aol.com/lifestyle/7-best-metal-detectors...

    The best metal detectors have a range of frequencies to detect different metals in different locations for a chance for find lost rings, old coins and gold 7 Best Metal Detectors of 2023, Reviewed ...

  6. These Are the Best Shovels for the Most Common Lawn and ...

    www.aol.com/lifestyle/best-shovels-most-common...

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  7. 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.