Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,259 pages of information and 244,500 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.
Part of Plessey Co
1974. Cheney Manor, Swindon, Wiltshire. Business general manager— G. Brookes. Integrated circuits for linear and digital applications—standard, custom and customer designed. [1]
1985 Opened a new semi-conductor plant in Plymouth
1989 Retained its name even after Plessey was taken-over.
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