02/10/1925 TV signal first transmitted in laboratory
John Logie Baird and the Invention of Television
John Logie Baird describes first television
John Logie Baird was one of the inventors of the mechanical television. He successfully transmitted the first television picture with a grey scale image: the head of a ventriloquist's dummy nicknamed "Stooky Bill" in a 30-line vertically scanned image, at five pictures per second.