Glenboig KG 92 801 BW

Found at Glenboig Union Fire Clay Works, Glenboig.

This could also be Glenboig KG 92 80/ BW.

Glenboig Union Fireclay Company, Glenboig, Lanarkshire.

Alternative brickworks include:

  • Glenboig Star Fireclay Works, Glenboig, Lanarkshire.
  • Glenboig Fireclay Works, (Old Works) Glenboig, Lanarkshire

According to Harley Marshall, this is likely to be a firebrick for a ship’s boiler.  The hole in the block is recessed for about 3/4 of the block depth. At the bottom of the opening, there is a further opening to the left and right. This opening is to take the head of a long bolt. This bolt has a special head with flanges that you twist once seated into the opening so the flanges enter each of the gaps at the side. The bolt is then entered through a hole in the boiler wall and tightened pulling the block in tight to the wall. You, therefore, have a firewall lining but with no bolt heads sticking into the boiler itself. This was an Admiralty Patent. (AP – was often an abbreviation referring to Admiralty Patent). Apologies to those with a technical head for this very non-technical explanation but I hope you get the idea.

The BW possibly refers to Babcock and Wilcox who made ships boilers – Click me

14 3/4″ X 7 3/4″ X 2 1/2″

Opening measures  1 3/4″ x 3/4″ and is 1 3/4″ deep

Below – The bottom edge (left of pic) slopes backwards.

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