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One of the first mechanical televisions used a rotating disk with holes arranged in a spiral pattern.This device was created independently by two inventors: Scottish inventor John Logie Baird and American inventor Charles Francis Jenkins. Prior to these two inventors, German inventor Paul Gottlieb Nipkow had developed the first mechanical television.Ultimately, the early efforts of these inventors would lead to the world’s first electrical television a few years later.The world’s first electronic television was created by a 21 year old inventor named Philo Taylor Farnsworth.There was a lens in front of the disk to focus light onto the subject.When light hit the subject, that light would be reflected into a photoelectric cell, which then converted this light energy to electrical impulses.
Compared to electronic televisions, they were extremely rudimentary.Understandably, all early television systems transmitted footage in black and white.Color TV, however, was first theorized way back in 1904 – something we’ll talk about later on.That device sent images through wires using a rotating metal disk.Instead of calling the device a television, however, Nipkow called it an “electric telescope”. In 1907, two inventors – Russian Boris Rosing and English A. Campbell-Swinton – combined a cathode ray tube with a mechanical scanning system to create a totally new television system.