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 132,191 pages of information and 209,712 images on early companies, their products and the people who designed and built them.

Electronic Instruments

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March 1949.
June 1949.
January 1949.
September 1949.
1952.

17 Paradise Road, Richmond, Surrey.


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