Plans for the Britannia Tubular Bridge over the Menai Straits, Wales, 1848.
© Science Museum / Science & Society Picture Library
General plan of the works from a survey carried out in 1848. The Britannia Tubular Bridge was designed by Robert Stephenson (1803-1859) and was completed in 1850. It was constructed to provide trains of the Chester and Holyhead Railway with a pasageway acros the Menai Straits from mainland Wales to Anglesey. The railway terminated at Holyhead, which became a major port for travellers to Ireland. Printed by Day & Sons.