The final collaboration of Michael Powell and Emeric Pressburger, and ultimately Powell's final film.
'Nick' (short for Electronic) has a two pin electrical connection. These were very old fashioned by 1972 when almost everyone was using three pin connections with an earth pin.
Final film written by Emeric Pressburger, before his death in 1988.
The Tower of London trip takes place on Thursday March 23rd [1972].