Bell was a scientist and inventor. He patented the telephone in 1876 and months later sent his now-famous telephone message to his assistant, Thomas A. Watson: “Mr. Watson, come here; I want to see you.” Bell also invented a device that transmitted sound in rays of light, a machine that tested hearing and detected auditory deficiencies, and an apparatus capable of locating metallic objects in the human body. This last device was hurriedly assembled in an attempt to find a bullet in whose body? Discuss
Source: The Free Dictionary