A metal detector is a device that detects the presence of hidden metal.
- The English geologist, natural philosopher and inventor Robert Were Fox the Younger invented a metal detector around 1830 in order to locate metallic ores.
- Here is a diagram of his setup:
Here is a portrait of Robert Were Fox the Younger:
[ux_image_box img=”610″ image_width=”50″ link=”https://en.wikipedia.org/wiki/Robert_Were_Fox_the_Younger?wprov=sfti1″ target=”_blank”]