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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.
They also produce metal detectors for the consumer market. [11] The company has manufacturing, distribution and customer service operations in Adelaide (Australia), Cork (Ireland) and Naperville (US), and is an ISO 9001:2000 Quality Endorsed Company. Minelab was established in 1985 and was acquired by Codan in March 2008. [12]
There are many different models from several different companies currently in use worldwide by U.S. and coalition forces. These are not your run of the mill metal detectors that you can buy at your local store, they are highly sophisticated, ultra sensitive, programmable devices. [20]
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 ]
In addition, it also produces metal detection, X-ray, check weighing, and other end-of-line product inspection systems used in production and packaging. The Company provides automatic identification and data capture solutions, that integrate in-motion weighing , dimensioning, and identification technologies for transport, shipping, and ...
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.