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 148,103 pages of information and 233,633 images on early companies, their products and the people who designed and built them.

General Sonic Industries

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May 1949.
June 1949.

21-29 Shene Street, Bath Street, London.

Previously General Electrical Radio

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