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Airmec, electronic engineers, of High Wycombe, Buckinghamshire (works)
of 19, Charterhouse Street, London (offices)
1942 Company founded.
1946 The Philco Radio and Television Corporation changed its name to Radio and Television Trust Ltd  in order to acquire export rights which were specifically excluded from the pre-war agreement with Philco Corportation of America. The Philco name would only be used for products sold in Britain; Airmec International Sales was formed to handle exports of products under the Airmec name.
1952 Name changed.
1959 Airmec Ltd was the only operating subsidiary of Radio and Television Trust; Dr Simmonds was managing director; Airmec carried out development of applied electronics and manufacture of high precision apparatus.
1961 Electronic engineers, specialising in scientific research. 
1962 Change of name of parent company to Controls and Communications Ltd.