PED
1977 Magnetic Devices joined with Pye Electro Devices (solenoid manufacturers)
1983 Company renamed PED.
By 1985 was part of Cambridge Electronic Industries[1]
1989 Owned by Cambridge Electronic Industries[2]
1990 Cambridge Electronic Industries sold its electronics division, including Belling Lee Ltd, Dialight Corporation Ltd and PED Ltd[3], presumably to Roxboro Group
1992 PED merged with Belling Lee, a manufacturer of fuses, fuse holders, filters and connectors, to form BLP Components