No physical example seen as yet but its existence is confirmed via a Millstone Grit pamphlet.
A Millstone Grit and Fireclay pamphlet ltd, Herbertshire Works, Denny states
Alpha – 40 – 42% Alumina. Silica 53.2 %. High Duty Fire Brick.
Beta – 38 – 40% Alumina. Silica 55.5 %. Medium Duty Fire Brick
Beta L – For use in Ladles, Tundishes etc
Alpha + – 42.1% Alumina. Silica 51.3 %. Super Duty Fire Brick
Found on the site of the Jenny Lind Brickworks, adjacent to the Ravenscraig Steelworks, Lanarkshire. Manufacturer unknown. Find location would suggest Scottish origins but … Note the linear striations on the brick and the stylised letter ‘B’. . . . Below – The linear striations on the brick and the stylised letter ‘B’ are very…
An open cast fireclay mine worked by the Millstone Grit Fireclay Ltd, Denny.
Found in the Glasgow area by Eddie Mclean. Note the linear markings to the brick. These are on both sides. Note also the unusual ‘B’ and the ‘TA’ letters are upside down, indeed the whole stamp probably is but it does not affect the ‘BE’. A Millstone Grit and Fireclay pamphlet ltd, Herbertshire Works, Denny…
Found in the Glasgow area by Eddie Mclean. A Millstone Grit and Fireclay pamphlet ltd, Herbertshire Works, Denny states:- Alpha – 40 – 42% Alumina. Silica 53.2 %. High Duty Fire Brick. Beta – 38 – 40% Alumina. Silica 55.5 %. Medium Duty Fire Brick. Beta L – For use in Ladles, Tundishes etc. Alpha +…
Found in Kilwinning. Millstone Grit and Fireclay Ltd, Wester Jawcraig, Falkirk. This is a smaller brick than my other similar version. . . . Below – A similar stamp on a much darker coloured brick found in Bonnybridge.
Millstone Grit and Fireclay Ltd, Wester Jawcraig, Falkirk: (c. 1937 to 1970s, 1987 to 1993, closed 1998) Millstone Grit & Fireclay Co Ltd – Millstone Grit & Fireclay Co was incorporated in 1966 and took over the common brickworks at Herbertshire, Denny. Worked open cast fireclay pits at Threaprigg and Slamannan Plateau. It was merged…
Canmore – Herbertshire Brickworks, Millstone Grit and Fireclay Ltd, Denny. Canmore – Herbertshire Refractories? (Note – SBH – From c. 1900. Robert Addie and Sons Ltd owned the Herberstshire Colliery and mined fireclay as well as the coal. Firebricks were made for a while). Below – Source Falkirk Museum and Archives. – Herbertshire Brickworks, 16…
Found at Drum Farm, Bonnybridge Millstone Grit and Fireclay Ltd, Wester Jawcraig, Falkirk. . . . .
No physical example seen as yet but its existence is confirmed via a Millstone Grit pamphlet. A Millstone Grit and Fireclay pamphlet ltd, Herbertshire Works, Denny states Alpha – 40 – 42% Alumina. Silica 53.2 %. High Duty Fire Brick. Beta – 38 – 40% Alumina. Silica 55.5 %. Medium Duty Fire Brick Beta L –…
Found Jawcraig, Falkirk Millstone Grit and Fireclay Ltd, Wester Jawcraig, Falkirk. . . . . Below – The same stamp on a red brick found at the Jawcraig site by George Kennedy.
