Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,501 pages of information and 233,941 images on early companies, their products and the people who designed and built them.
The Headstone Viaduct, built by the Midland Railway, over the River Wye, immediately after the 533-yard Headstone Tunnel, travelling north from Great Longstone. The viaduct, usually incorrectly called Monsal Dale Viaduct, is 300 feet (91 m) long, with five 50-foot span arches, some forty feet high at the centre. Initially, some slippage occurred, and remedial work was carried out in 1907-8