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 126,814 pages of information and 199,901 images on early companies, their products and the people who designed and built them.

Chemical and Insulating Co

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of Darlington

1937 Heat insulating engineers. "Darlington" 85% Magnesia Coverings. "Dextramite" High Temperature Coverings.[1]

See Also


Sources of Information

  1. * 1937 The Aeroplane Directory of the Aviation and Allied Industries