'The Elephant will Never Forget' London's last tram 1952
Shows 'the plough' and overhead changeovers.
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An assistant was told to go to the nearest 'Darby & Joan' to get an old couple for the filming. He was told to make sure he got a man and woman that were not a couple, on the basis that a married couple would probably not have anything to say to each other.
Regards
Mike