• Calder 19S

    Found by Aimee Surprenant in a house built in 1875  in St. John’s NL, Canada. This example is

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  • Carnbroe

    Kindly donated by Justin Parkes No lacy ‘C’ on this brickmark – the brick composition

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  • Octo

    Found Barrhead, Glasgow Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick Works,

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  • Bonnybridge 30

    Found Barrhead, Glasgow Bonnybridge Silica & Fireclay Brickworks, Bonnybridge, Stirlingshire. . .

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  • Octo 43

    Found by Graham Brooks – Solwaypast.co.uk Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge.

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  • Bonnybridge 15

    Found Barrhead, Glasgow Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick

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  • Bonnybridge 18

    Found at Drum Farm, High Bonnybridge. Bonnybridge Silica & Fireclay Brickworks, Bonnybridge, Stirlingshire.

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  • Calder

    Found by SP in the Paisley area. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick

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  • Bonnybridge

    Found Darnley, Glasgow. Bonnybridge Silica & Fireclay Brickworks, Bonnybridge, Stirlingshire. . .

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  • Calder L 25

    Found Darnley, Glasgow. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick Works,

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  • Novo Super 70

    Found at Drum Farm, Bonnybridge. This brickmark is referred to in a Bonnybridge Silica & Fireclay

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  • NOVO 60A

    This brickmark is referred to in a Bonnybridge Silica & Fireclay Co Ltd brochure Bonnybridge Silica

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  • Octo M

    This brickmark is referred to in a Bonnybridge Silica & Fireclay Co Ltd brochure Bonnybridge Silica

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  • Calder LS

    This brickmark is referred to in a Bonnybridge Silica & Fireclay Co Ltd brochure Bonnybridge Silica

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  • Calder L

    Found Newmains, North Lanarkshire Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder

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  • Bonnybridge 24

    Found in Bonnybridge. Bonnybridge Silica & Fireclay Brickworks, Bonnybridge, Stirlingshire. . . .

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  • 4 Calder

    Found by Tam Moffett in Fife. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick

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  • O C 4 24

    Found at Stein Castlecary Works, Bonnybridge. Unidentified maker. Find origins would suggest Scottish

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  • Calder British Made

    This example was found in an old Bakery, Resistencia, Chaco, Argentina by Deigo Maciel. This example

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  • Octo 22

    This example was pictured in Barbados along with a good handful of other Scottish bricks. I am not in

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  • BSF

    Found in the Bonny Water, Bonnybridge. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder

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  • Novo Sixty

    Found on Drum Farm, Bonnybridge. Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder Firebrick

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  • Novo Fifty

    Found by Ian Suddaby in Bonnybridge. This example is not in my possession. Bonnybridge Silica & Fireclay

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  • Novo

    An example of this brick is still to be found however the leaflet depicted below confirms its existence.

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  • Calder XL 2 3/4

    Found Mayfield Brickworks, Carluke Bonnybridge Silica & Fireclay Co Ltd, Bonnybridge. alt Calder

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  • Calder Col…

    Seen at Mayfield Brickworks Carluke. Left in situ due to size. Albeit this is a partial – surely

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  • Calder XL 8 1/2

    Falkirk Museums and Archives  FMA This example is not in my possession but picture reproduced by kind

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