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 147,194 pages of information and 233,428 images on early companies, their products and the people who designed and built them.

Flexible Lamps

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October 1931.
October 1936.
December 1937.
August 1941.

of Epping.

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Sources of Information