Stein overseas collaboration? Carbofrax and Empire-E bricks
— 03/01/2015During 2014, I found a Carbofrax brick on shores of the Firth Of Forth, Nr Edinburgh. I suspected this
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Carbofrax A
— 02/07/2014Found Inverkeithing Firth of Forth, Scotland. Directory of clay products 1961 / 62 page 18 refers to
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