Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,100 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
William Muirhead and Partners Consulting Engineers of Windsor House, Victoria Street, Westminster, London, SW1. (1939)
1939 Cyril L. Boucher was a partner in the company.