Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,372 pages of information and 233,518 images on early companies, their products and the people who designed and built them.

Plessey Engineering and Components

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Part of Plessey Co


1981 Formed as a new management company in Plessey; one member of the group was Birkby's Plastics[1]

1987/8 Aerospace and engineering accounted for 8 per cent of Plessey's turnover. The principal activities were microwave materials for `stealth applications, systems and components for civil and military aircraft, electrical power units for tanks and fighting vehicles, product support services, and plastics.

Microelectronics and components accounted for 9 per cent of turnover . Major activities were silicon integrated circuits (bi-polar and metal-oxide silicon), gallium arsenide products and opto-electronics.[2]

by 1989 this area consisted of the following businesses:

See Also

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Sources of Information

  1. The Times Apr. 28, 1981
  2. MMC report 1989