Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,376 pages of information and 211,456 images on early companies, their products and the people who designed and built them.
of St. John's Works, Bookham Street, New North Road, London, N1. Telephone: Clerkenwell 8628. (1929)
Ditto Address. Telephone: Clerkenwell 1932. (1947)