Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 139,009 pages of information and 225,314 images on early companies, their products and the people who designed and built them.
1969 As a result of the major reorganisation of AEI and English Electric after they were acquired by GEC. In electronics, GEC-Marconi Electronics was created; Marconi Communications Systems was one of its 4 subsidiaries. It included the broadcast, radio, line, space and mercantile communication activities of Marconi Co as well as its specialised components work, the communications division of GEC-AEI (Electronics) and Eddystone Radio