Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,443 pages of information and 230,060 images on early companies, their products and the people who designed and built them.
Cyril G. Mancha Bennett M.I.E.E.
1939 Chief Control Engineer, London Power Co., Ltd., Horseferry Road, Westminster, S.W.1. Private address: 7. Heath Rise, Putney Hill, S.W.15.