Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,713 pages of information and 247,105 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
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of Sheffield | of Sheffield | ||
Part of the [[Brayhead]] group of companies | |||
1959 Production began at the Dronfield factory<ref>The Times Jun 22, 1960</ref> | |||
1961 Design, development and manufacture of wide range of electronic sub-assemblies. | 1961 Design, development and manufacture of wide range of electronic sub-assemblies. | ||
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