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 137,265 pages of information and 220,098 images on early companies, their products and the people who designed and built them.


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August 1946.
May 1950.

of Upper Woburn Place, London, WC1

1944 Murex Ltd established Protolite as a wholly-owned subsidiary to handle sale of tungsten carbide products[1]

1957 A subsidiary company of Murex

See Also


Sources of Information

  1. The Times, Nov 08, 1944