Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,769 pages of information and 230,103 images on early companies, their products and the people who designed and built them.
A double leaf rolling bascule bridge which spanned the River Dee at Queensferry, Wales.
By the 1960s shipping had ceased on the River Dee. The bridge's lifting mechanism was removed and the roadway fixed permanently in place. A bypass was constructed with a new bridge which took the main traffic