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Title: Calcined tap cinder called 'bull dog' when used for the bott [Go to resource]
Description: Calcined tap cinder called 'bull dog' when used for the bottom of a puddling furnace, burnt in a kiln at Ebbw Vale, 1865, according to Barrows and Halls patent License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/3299 Go to resource More Like this...
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