Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,099 pages of information and 223,032 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.