Chemical and Insulating Co: Difference between revisions
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[[Image:Im1943EYB-Chemical.jpg|thumb| 1943. From The Engineer’s Year Book.]] | |||
of Darlington | of Darlington | ||
* 1937 Heat insulating engineers. "Darlington" 85% Magnesia Coverings. "Dextramite" High Temperature Coverings. | * 1937 Heat insulating engineers. "Darlington" 85% Magnesia Coverings. "Dextramite" High Temperature Coverings. |