Castle Cary
— 13/11/2025Found by Ian Suddaby at Spittal Beach, Berwick. This example is not in my possession. Castlecary Fireclay & Lime Works, Castlecary, Stirlingshire. Note the thumbprint to the top right corner. . .
Bonnybridge 30
Found on Drum Farm, Bonnybridge.
Note the thumbprint to the top right.
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 between 1972 and 1980, GR-Stein Refractories probably continued to manufacture bricks with this trademark for a time.
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