Octo F

Found Banknock – could be Octo E. (Note – SBH – I cannot locate the relevant photograph for this page. Hopefully I will stumble across it one day! Nor can I find the brick in my brick shed so perhaps it was left at the find site for some reason – too large to carry?).

Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge.
Calder Firebrick Works, Airdrie, Lanarkshire.
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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