Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,400 pages of information and 221,179 images on early companies, their products and the people who designed and built them.
Marsh Bros & Co (late Marshes and Shepherd) of Ponds Steel Works, Sheffield
1654 Company established.
1907 Incorporated as a limited company.
1914 High speed steel and tool steel manufacturers. 
1937 Steel and engineers small tools.