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 139,009 pages of information and 225,314 images on early companies, their products and the people who designed and built them.


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1926 A new company, Metropolitan-Vickers-GRS Limited, was formed jointly with the General Railway Signal Co of Rochester, New York, to sell railway signalling equipment, under the design of the American company and made at the Trafford Park works.

Later this would have become part of AEI

1969 AEI General Signals became part of English Electric-AEI Traction

Presumably subsequently became GEC General Signal

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