What significant role did John Kruesi play in many of Edison’s inventions?

John Kruesi was one of the key persons to work behind Edison’s successful inventions. He was a machinist – a man who handled machines that made machines! Kruesi was adept at using the ‘machine tools’ that could shape metal by carving or grinding it into very precise shapes. He had worked on some of Edison’s greatest inventions.

Born in Switzerland, John Kruesi later came to live in Newark where he met Edison and secured a job with the famous inventor, in 1872. Edison was quick to see his talent, and made him the manager of the machine section.

The quadruplex telegraph, the carbon microphone, phonograph, incandescent light bulb and the electric lighting system are some of the key inventions in which Kruesi was involved. Edison gave him full charge of the Edison Electric Tube Company in 1881, which was installing underground power distribution cables from the central generating station.

Picture Credit : Google

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