Keys to the Past



A very hard rock that is ground to a powder. Fireclay is added to this, and the mixture is applied to make furnace linings that can withstand very high temperatures. Some was mined near Bowes, County Durham for the Teeside Ironworks.

To explore more glossary entries click on a letter.

A B C D E F G H I J K L M N O P Q R S T U V W Z 1-9