A class 325 unit goes through Kensington Olympia in 2003. These units are apparently owned by Royal Mail and will shortly find themselves without work despite not being that old. They can operate off both AC overhead supply and as seen here third rail DC.

Photo from James & Martin's Picture Collection Copyright 'Jampics' m.hawkes7@ntlworld.com

British and Foreign Railway Pictures Jampics Fotopic.