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 148,141 pages of information and 233,681 images on early companies, their products and the people who designed and built them.

Dr. Wernet's Powder

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July 1954.
September 1954.
March 1955.
November 1958.
December 1960.

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Sources of Information