There was an interesting TV film recently about the post-war shift from steam to diesel and electric power.
You can watch the film on BBC iplayer, herehttp://www.bbc.co.uk/iplayer/episode/b00dzzdc/Timeshift_Series_8_The_Last_Days_of_Steam/
And you can find out more about train culture, herehttp://buttes-chaumont.blogspot.com/2007/07/ian-allan-abc-books.html
