Scotland's Brick and Tile Manufacturing Industry

Found by Ian Suddaby in Edinburgh. This example is not in my possession. The circular central mark is

Found by Harry Wilson in the Bonnybridge area. Dykehead Firebrick Works, Bonnybridge, Stirlingshire.

Found by Ian Suddaby near Turriff in Aberdeenshire. This is not in my possession. Dykehead Firebrick

Found by Ian Suddaby near Turriff in Aberdeenshire. This is not in my possession. Dykehead Firebrick

Found in Glasgow Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . . . .

Found by Terry Cooper in Ardrossan, Ayrshire. This example is not in my possession. Dykehead Firebrick

Found by Eddie McLean in the Glasgow area. Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . .

Found in the possession of the Dalkeith Museum. Dykehead Firebrick Works, Bonnybridge, Stirlingshire.

Found by Phil Diamond in the Dullatur,North Lanarkshire  area. Dykehead Firebrick Works, Bonnybridge,

Found in Bonnybridge Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . . . .

Found River North Esk, Penicuik Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . . . .

Found by Eddie McLean in the Glasgow area. Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . .

Found at Castlecary Fireclay & Lime Works,Castlecary (Weir) Dykehead Firebrick Works, Bonnybridge,

Found at Stein Castlecary Works Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . . . .

Found by TM in Fife Dash Dykehead circle Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . . .

Found North Ferriby, E.Yorks This example is not in my possession –  see brickmania Dykehead Firebrick

Found Manuel Works, Whitecross. Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . . . .

Found Manuel Works, Whitecross. Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . . . . Below –

Found Manuel Works, Whitecross. Dykehead Firebrick Works, Bonnybridge, Stirlingshire. . . . .