Found by Eddie McLean in Glasgow.
The find location would suggest Scottish origins but …
The 2 most likely Scottish makers are
Bonnybridge Silica and Fireclay Co Ltd, Bonnybridge
and the
Eglinton Silica Brick Co. Ltd, Dundyvan, Coatbridge
However, this reference is also a possibility however I am sure many companies will have stamped their bricks ‘silica’.
1951 – Oughtbridge Silica Firebrick Co Ltd, Oughtibridge, Nr Sheffield. T.A., “Silica, Phone, Oughtibridge”. T.N., Oughtibridge 40804. Established 1856; Incorporated 1918.
Silica bricks and cement; Serpex (magnesium silicate) bricks; magnesite cement; silica, magnesite, chrome-magnesite, chrome bricks and cements; parging cements; ground ganister; etc.
Trade Names: Silica; S.P. Silica; Serpex.
Managing Director: S . Brooke.
Found by Franco Andrés at Rosario, Santa Fe, Argentina. Franco states – I’m a mechanical engineer from Argentina. I was looking for information about this brick and found your website. I’m currently working at an old technical school. The building has a boiler room, built between 1934 and 1937. One of my coworkers found some of…
Found by Gary Fritson on the River Tees at Middlesbrough. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick Works, Airdrie, Lanarkshire. alt Chapelhall Works, Lanarkshire. Hepworth Ceramic Holdings plc (GR-Stein Refractories Ltd. parent co) bought the Bonnybridge Silica & Fireclay Co. Ltd in 1972, closed Bonnybridge works in 1973 and closed Chapelhall in…
Found by Ian Suddaby at This example is not in my possession. The ‘C’ of Calder is missing. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick Works, Airdrie, Lanarkshire. alt Chapelhall Works, Lanarkshire. Hepworth Ceramic Holdings plc (GR-Stein Refractories Ltd. parent co) bought the Bonnybridge Silica & Fireclay Co. Ltd in 1972, closed…
Found by Eddie McLean in the Glasgow area. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick Works, Airdrie, Lanarkshire. alt Chapelhall Works, Lanarkshire. Hepworth Ceramic Holdings plc (GR-Stein Refractories Ltd. parent co) bought the Bonnybridge Silica & Fireclay Co. Ltd in 1972, closed Bonnybridge works in 1973 and closed Chapelhall in 1980. Therefore…
Found by Claudio Ernesto Rios. Claudio states – The bricks were found in the City of Zárate, Buenos Aires, Argentina. In a fridge (almost totally destroyed today) the fridge’s name was Smithfield Refrigerator of English capital, built in 1903, so I would believe those bricks were manufactured in the last decade of the 19th century….
Found by Patricio Peralta in an old bakery, Lincoln, Provincia de Buenos Aires, Argentina. “Calder British Made”. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick Works, Airdrie, Lanarkshire. alt Chapelhall Works, Lanarkshire. Hepworth Ceramic Holdings plc (GR-Stein Refractories Ltd. parent co) bought the Bonnybridge Silica & Fireclay Co. Ltd in 1972, closed Bonnybridge…
Found by Senja Salmi in Sääksjärvi, Mäntsälä, Finland. Senja states – We are not sure how old this house is but at least about 100 years old and it was built by the last blacksmith of this village. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick Works, Airdrie, Lanarkshire. alt Chapelhall Works, Lanarkshire….
Found by Ian Suddaby in Perth. This example is not in my possession. Stein, Castlecary Fireclay Works, Castlecary, Stirlingshire. Stein, Manuel Firebrick and Refractory Works, Whitecross, Stirlingshire. Stein & Co, Anchor Brickworks, Denny, Stirlingshire. Milnquarter Fireclay & Gannister Works, Bonnybridge, Stirlingshire.
Found by Ian Suddaby in Perth. Perhaps the stamp is meant to read ‘Perth’ ? This example is not in my possession. Stein, Castlecary Fireclay Works, Castlecary, Stirlingshire. Stein, Manuel Firebrick and Refractory Works, Whitecross, Stirlingshire. Stein & Co, Anchor Brickworks, Denny, Stirlingshire. Milnquarter Fireclay & Gannister Works, Bonnybridge, Stirlingshire.
Many thanks to Bruce MacDonald for the following photographs which were taken at The Sunbury Plantation House, St Philip Parish Barbados. All the bricks present were fire bricks and included English manufacturers such as Ruffors of Stourbridge, Cowen of Newcastle and Duddell of Fenton. 90% of the bricks present appear to have been stamped ‘Glenboig’….
