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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 ...
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.
Metal detecting finds in the United States (3 P) Pages in category "Metal detecting finds" The following 3 pages are in this category, out of 3 total.
Magnetic particle inspection (MPI) is a nondestructive testing process where a magnetic field is used for detecting surface, and shallow subsurface, discontinuities in ferromagnetic materials. Examples of ferromagnetic materials include iron, nickel, cobalt, and some of their alloys. The process puts a magnetic field into the part.
Pages in category "Metal detecting finds in the United States" The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes .
Nighthawkers, being criminals, are distinct from law-abiding metal detectorists. [2] Hobbyist groups as The National Council for Metal Detecting [3] or the Federation of Independent Detectorists [4] are not to be confused with such criminal activity. It has been claimed, but not proven, that nighthawkers use such groups as a method of obtaining ...
They had no fixed plans as they surveyed the field, having started metal detecting as a hobby 18 months before, although Hambleton had gone metal-detecting with his father when he was young. [ 8 ] They found the first three torcs separately, approximately 6 to 8 inches (15 to 20 cm) beneath the surface of the field [ 8 ] and around 3.3 feet (1 ...
The hoard consists of 5,252 silver coins, of which 5,251 are whole and one is a portion of a coin that had been cut in half.They date from the first half of the eleventh century, and include many coins from the reigns of two Anglo-Saxon kings, Æthelred the Unready (reigned 978–1013 and 1014–1016) and Cnut the Great (reigned 1016–1035). [2]