Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 144,396 pages of information and 230,177 images on early companies, their products and the people who designed and built them.
of 26 Voltaire Road, Clapham, London SW
1862 Company established by William Robert Sykes
1899 Incorporated as a limited company.
By 1904 there was a very large installation at St. Enoch's Station, Glasgow and was being adopted in several signal-boxes on the South Eastern and Chatham Railway.
1907 Public company.
1907 The company was registered on 24 April, in reconstruction of a company of similar title. 
1914 Manufacturers of all kinds of electrical and mechanical signalling apparatus in connection with railways. 
By 1959 was a subsidiary of Westinghouse Brake and Signal Co
1961 Railway signals and electrical engineers and manufacturers of locomotive grease lubrication equipment, fuel economisers, power operated fire doors; motor tools and accessories. Specialists in coil winding and impregnating and instrument casework.