Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 140,442 pages of information and 227,382 images on early companies, their products and the people who designed and built them.
1978 Renamed Marconi Avionics Limited.
1984 Renamed GEC Avionics Limited.
1990 Take-over of Ferranti creating GEC Ferranti
1998 Renamed Marconi Avionics, part of the renamed defence arm, Marconi Electronic Systems (MES).