An entertaining history of the technical evolution of the medium of television, commencing with the groundwork by such people as Berzelius, Nipkow, and Braun, consolidated by the likes of John Logie Baird, Jenkins, Philo Farnsworth and Vladimir Zworykin, and implemented in the UK by Marconi-EMI and the BBC, in the USA by RCA and NBC, and in Germany by the Reichpostministerium, and many more,. ÒSpinning Discs, Mirrors and ElectronsÓ examines the incredible array of apparatus devised for mechanical television, the transition to wholly electronic television, and concludes as if the wheel had turned full circle, with the development of a seamless television recording system, again utilising a mechanical process Ð videotape!