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 148,386 pages of information and 233,863 images on early companies, their products and the people who designed and built them.

British Arca Regulators

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October 1952.

British Arca Regulators Ltd. of Millbank, London.

Manufacturers under the registered trademark 'Arca' of automatic regulators, diaphragm valves and electric motor valves.

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