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 149,270 pages of information and 234,239 images on early companies, their products and the people who designed and built them.


From Graces Guide

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

Water softener

See Also


Sources of Information