In the 1900s Britain's transport system relied on steam. With in sixty years, most of these locomotives had vanished as electric and diesel power took over. Then, as now, the capital city was the hub of the railway network. Take a journey back to a time when London played host to the Silver Jubilee, the Devon Belle and when the Coronation Scot was the latest in steam power. From the early railcars of the 1930s to the underground train of the General Post Office, revisit a golden age when Britain's railways were the envy of the world.