The mirror screw produced much larger, brighter images than the Nipkow disc, but the writing was already on the wall for mechanical television. By 1935, cathode ray tubes – still scanning their images ...

Television is developed 1926. John Logie Baird (1888-1946) applied for a patent for a mechanical television in 1923. ... with a 40-line resolution and film running at 14 frames per second.

In the June 1925 issue of Popular Science, Newton Burke wrote: "J.L. Baird, inventor of the promising new system of radiovision." Television’s broadcast debut in 1936 unfolded like a plot made ...

If we have a television in 2021 the chances are that it will be a large LCD model, flat and widescreen, able to display HD images in stunning clarity. Before that we’d have had a CRT colour T… ...