BBC Tomorrows World edition ‘Computers in the 1960s’ which features some of the
film taken by CAV of their LEO !!! computer in Acton London, though without stating
the source of the film. The Film with normal restrictions to using their material
apply. The film shows school children being taught how computers work and their
applications.thousands of people.
https://www.bbc.co.uk/iplayer/episode/p031t265/tomorrows-world-computers-in-the-60s