The Voice of Nuclear Disarmament, London, Movietone footage, 5/1/62

The Voice of Nuclear Disarmament was a pirate station which made a number of broadcasts on the audio channel of BBC television after they closed down at 11 p.m. in 1961 and 1962. It was heard in parts of London and said to have the backing of the Committee of 100 as they urged people to attend their rallies. The announcer was Lynn Wynn Harris, wife of Dr. John Hasted, atomic scientist at London University, though neither was a Committee of 100 member. This is 3 minutes of British Movietone footage on them, sound starts when they get to the studio.

A flyer of theirs

The Committee of 100 was a British anti-war group set up in 1960 with a 100 public signatories. It's supporters used non-violent resistance and civil disobedience to try to achieve their aims, president was Bertrand Russell.