Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,159 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
Developed by Reginald James Blewitt
Photo of a cast iron girder from Blewitt's 1847 bridge here, taken in 2016.
Merged into the Cwmbran Patent Nut and Bolt Co