Plan for the Mersey Tunnel, 1881.
© Science Museum / Science & Society Picture Library
Plate taken from the 'Illustrated London News'. Diagrams showing the proposed site, method of construction and operation of the projected tunnel beneath the River Mersey, which was intended to connect Liverpool and Birkenhead. The Mersey Railway tunnel was opened in January, 1886, by the Prince of Wales, later King Edward VII (1841-1910). It was the Britain's first underwater railway and the first to be converted from steam to electric traction.