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Mains Radio Gramophone, radio and television makers, of Bradford
1929 Private company.
1948 Mains Radio Gramophone began to produce television sets.
1960 Radio Rentals acquired the Baird Company and changed the name of its manufacturing subsidiary in Bradford, Mains Radio Gramophone, to Baird Television, to emphasise its position in the manufacturing of televisions..
1961 Radio and television manufacturers. 900 employees. 
By 1965-66 The Baird division of Radio Rentals was making very few radio sets.
1966 Radio production finished.
1968 Baird employed about 2,400 people making black and white and colour television sets and components at its main works in Bradford.
1967 the Bradford factory was extended by the purchase of an adjoining factory and two other factories were acquired, one at Shipley and one at Batley, making sub-assemblies and components. Baird manufactured a substantial and increasing proportion of its component requirements and took some of its loudspeaker requirements from the associated Goodmans division.
1968 Baird produced about 140,000 television sets of which about 10,000 were colour sets.
1967 Radio Rentals took about three-quarters of Baird's output.