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 133,117 pages of information and 210,773 images on early companies, their products and the people who designed and built them.

Siemens Edison Swan

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c.1956 AEI amalgamated Siemens and Edison Swan Electric Co as Siemens Edison Swan[1]

1957 Announced Magnetic Drum for Automatic Telephone Equipment

1958 Products reported included telephone handset, transatlantic telephone cable, subsea power cables, water-cooled power cable, uniselector for switching.

1959 Reported on printed circuit connectors, Illuminated acoustic ceiling, self-supporting telephone line, stabilised power units, Subscriber Trunk Dialling, Temple Mills marshalling yard, transistor tester, wide-angle cathode-ray tube; Willington "A" power station, electronic Telephone Exchange experiments, main line A.C. locomotive; the research laboratory reported on semi-conductor production and devices.

1959 AEI reorganized its businesses into products divisions, 2 of which were managed by Siemens Edison Swan: the Cable Division and the Telecommunications Division [2]

1967 Siemens Edison Swan was absorbed into GEC when it took over AEI


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Sources of Information

  1. The Times, Jun 12, 1958
  2. The Times, June 6, 1959