Alexander Graham Bell Metal Detector
Nov. 24, 2024
Alexander Graham Bell developed a metal detector as a last ditch effort to locate a bullet lodged in the chest of American President James Garfield in 1881 Alexander Graham Bell, Metal Detector, 1891 Stock Photo - Alamy Alexander Graham Bell (1847 – 1922) was an Scottish-born scientist, engineer and innova… | Air conditioning unit, National geographic society, Alexander graham bell Alexander Graham Bell Metal Detector