Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,649 pages of information and 247,065 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.

GEC Measurements: Difference between revisions

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of St. Leonard's Works, Stafford
of St. Leonard's Works, Stafford


1950s-60s Produced distant protection systems
1950s-60s Produced distance protection schemes for utilities (see advert)


1975 Part of [[GEC Electrical Components|GEC's Components, Cables and Wire group]] of UK subsidiaries
1975 Part of [[GEC Electrical Components|GEC's Components, Cables and Wire group]] of UK subsidiaries


Later [[GEC Alsthom Measurements]]
1979 Introduced the first microprocessor-controlled relay for EHV transmission systems
 
Later became [[GEC Alsthom Measurements]]


== See Also ==
== See Also ==

Revision as of 15:04, 5 July 2023

1982. MiDOS.
1984.
1985.
1989.
1989.

of St. Leonard's Works, Stafford

1950s-60s Produced distance protection schemes for utilities (see advert)

1975 Part of GEC's Components, Cables and Wire group of UK subsidiaries

1979 Introduced the first microprocessor-controlled relay for EHV transmission systems

Later became GEC Alsthom Measurements

See Also

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