5355 B 2 Mullite M

Found by Ian Suddaby at the Manuel Works, Whitecross.

This example is not in my possession.

This will likely be a Stein or GR-Stein product.

These items may be part of a nozzle or tuyere or a burner segment or a quarl block for a burner. Mullite M is 72% Alumina. It is possible the small square holes are for secondary air bleeds to help combustion at high temps. Unlikely to be from a tap hole as those would cause leaks? (Thanks to ex-employees at the Manuel Works for these suggestions).

  • 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.

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