Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,518 pages of information and 233,949 images on early companies, their products and the people who designed and built them.
of 16 Ashwin Street, Dalston, London E8
1938 Electrical and mechanical railway signal engineers 
1953 Makers of railway signalling equipment and automatic train control apparatus (under licence from a Swiss company)
1956 Modernization work anticipated for British Transport Commission.
Jan 2015 Images: Tablet/Token machines in use 2015 at Galoya Jnc. and Kalawewa Stations, Sri Lanka. Lever frame at Kalawewa.