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 148,111 pages of information and 233,643 images on early companies, their products and the people who designed and built them.

Clensol

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April 1933.
April 1935.
August 1935.
August 1938.
April 1952.
March 1957.

Water softener

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