The TV was introduced in 1926. By 1936 there were 100 TV sets on the entire planet.

Although the beginnings of mechanical television can be traced back to the discovery of the photoconductivity of the element seleniumby Willoughby Smith in 1873, it was not until 1926 that Scottish inventor John Logie Baird gave the first public demonstration of television Soho, London. Ten...
The TV was introduced in 1926. By 1936 there were 100 TV sets on the entire planet.