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 147,949 pages of information and 233,606 images on early companies, their products and the people who designed and built them.

Wallace and Tiernan

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1917. Chlorinator.
May 1933.
May 1933.
May 1938.

of Power Road, Gunnersbury, London W.4.

Manufacturers of instrumentation and chemical feed systems. Originally established in the USA.

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