British Telecommunications Research
of Taplow Court, Maidenhead (1967)
1946 Company formed; shares held by American British Technology Inc and the Ocean Trust Co[1]
1947 British Telecommunications Research Ltd had been formed by Automatic Telephone and Electric Co and British Insulated Callender's Cables Ltd in order to have a British company covering all aspects of the telecommunications field[2]
1961 Automatic Telephone and Electric became part of the Plessey Co
by 1967 was part of the Plessey Co[3]
1969 Advertised for staff at Taplow Court[4]