Myrtle

Found Manuel Works, Whitecross.
  • 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

This looks like a ‘normal’ firebrick, unlike the ususal stamped Myrtle bricks which are silica based.

Below – The same stamp on a much larger brick and found at the same location.

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