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 148,101 pages of information and 233,633 images on early companies, their products and the people who designed and built them.

Bisurated Magnesia

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April 1922.
June 1922.
May 1939.


April 1954.

of 7 Wybert Street, Munster Square, London, NW1


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