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Maker of portable and pocket transistor radios, of Bonhill St, Finsbury, London
1956 Incorporated as a private company Perdio Ltd
1961 Plans for a new factory to make radios in Sunderland; the radios were made largely by hand, which was felt to give the company flexibility and avoided high capital charges.
1961 Broadened interests by acquisition of Kenure, Holt and Co and Kenure, Holt Electronics, precision engineers and electronic designers (and A. R. Willmott and Sons (Redhill) which had been absorbed and was no longer trading).
1962 Public company: change of name to Perdio Electronics. Flotation of shares in the company Had developed a transistorised television set, said to be the first mass-produced in Europe.