Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,427 pages of information and 211,664 images on early companies, their products and the people who designed and built them.
of Sharsted Works, Sharsted Street, Kennington, London, SE17. Telephone: Reliance 1431-2. Cables: "Robrysharst, Camber, London". (1929)
of 1-3 Brixton Road, London, SW9. Telephone: Reliance 1431 and 2. Cables: "Robryshast, Claproad, London". (1947)