'Train passing over Forth Bridge. North British Railway', c 1890-1891.

Illustration from 'The Book of Trains', a children's railway book. The steel cantilever structure of the bridge, which crosses the estuary of the Firth of Forth in Scotland to connect the East Coast Railway route between London and Aberdeen, was begun in 1882 and completed in 1889. The engineers were Sir John Fowler (1817-1898) and Sir Benjamin Baker (1840-1907).