Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,241 pages of information and 244,492 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.

D. S. Plugs

From Graces Guide
September 1953.
May 1957.

of Preston, Lancashire

1940 Private company formed as Switchgear Units Ltd.

1946 Name changed.

1961 Manufacturing electrical engineers.[1]

See Also

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