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 149,257 pages of information and 234,233 images on early companies, their products and the people who designed and built them.

Keyswitch Relays

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of Cricklewood, London.

See Keyswitch Co.

1968 Acquired by Thorn Electrical Industries. [1]

See Also


Sources of Information

  1. The Times, March 5, 1968