An example of this brick is still to be found however the leaflet depicted below confirms its existence.
Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge, Scotland
Bonnybridge Brand – for general steel use.
Calder L – Manufactured exclusively for use in steelworks ladles.
Calder – A first class Scotch firebrick with superior spalling resistance
Octo – For highest heat duty in the firebrick range – combines slag resistance with good resistance to spalling.
Novo Fifty – These are finding themselves more applications in the severest temperatures zones of modern furnaces.
Novo Sixty – These are finding themselves more applications in the severest temperatures zones of modern furnaces.
Novo – Sillimanite – These are finding themselves more applications in the severest temperatures zones of modern furnaces.
BSF ( Semisilica ) – recommended for reheating furnace roofs and similar applications.
Bonsil Plastic Refractories – growing field of application for monolithic and in situ construction.
Boncrete Refractory Castables – growing field of application for monolithic and in situ construction
BS Refractory Mortars & Cements – For all refractory jointing purposes.
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.
Julkia Rizzi states this Thistle brick was photographed as part of a coal-burning fireplace in a house in Sydney, Nova Scotia, Canada. 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 John Barnard at Fitzroy, Falkland Islands. 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 Vladimir Smirnov for highlighting this brick to me which was found in the vicinity of the St. Petersburg Region, Gatchina Region, Russia by a brick collector, Alexander Korolev. It was discovered the stove of a private house. Stein, Castlecary Fireclay Works, Castlecary, Stirlingshire. Stein, Manuel Firebrick and Refractory Works, Whitecross, Stirlingshire. Stein &…
Found by Eddie McLean in the Glasgow area. 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 Eddie McLean in the Glasgow area. 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 Eddie McLean in the Glasgow area. 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 Eddie McLean in the Glasgow area. This is a ‘hanger’ fire brick. The last number is unclear but it looks like a 2 with the ‘bottom’ missing. Stein, Castlecary Fireclay Works, Castlecary, Stirlingshire. Stein, Manuel Firebrick and Refractory Works, Whitecross, Stirlingshire. Stein & Co, Anchor Brickworks, Denny, Stirlingshire. Milnquarter Fireclay & Gannister Works,…
Found by Eddie McLean in the Glasgow area. 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 Gary Fritson on the River Tees at Middlesbrough. This example is not in my possession. 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 at the Manuel Brickworks, Whitecross by Ian Suddaby. This example is not in my possession. Ian states – This IVOR kiln hanger brick is damaged but it’s still the best by far I have ever found. I don’t know whether Ivor was a brand name or a company name, once again there’s a lack…
