Category: Blog
Many articles claim the first metal detector was invented by Alexander Graham Bell, but what does the history of metal detectors tell us? In 1881, Alexander Graham Bell used a metal detector in an attempt to locate a bullet from…
Many articles claim the first metal detector was invented by Alexander Graham Bell, but what does the history of metal detectors tell us? In 1881, Alexander Graham Bell used a metal detector in an attempt to locate a bullet from…