Philadelphia No 1 R Firebrick

Found at Bo’ness, Firth of Forth, Edinburgh.

This is a firebrick stamped ‘Philadelphia No 1 R Fire Brick”. I presume it should read ‘Fire Brick Works’ and there may be part of the stamp missing from the middle line too.

I believe this is an American import although there is an outside chance it is possibly connected to the Philadelphia Colliery, West Herrington, Co Durham, England.

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Carla Welsh states – (May ,2020) Hello, I just found the same brick outside of Philadelphia, PA in the United States. Found it along the Darby Creek by the Swedish Cabin that was built 1638 in Delaware County. This area goes back to the first settlers were Dutch in the early 1600s … later on, it was mostly all German, Italian, and Irish immigrants that moved here from 1850 on up. I can’t find anything online so I looked on facebook and saw your post. My brick looks to say Philadelphia, No. ___, M___, Firebrick____. Cant quite make it out. Very interesting you have the same brick in the UK. Did u ever find out anything about it? I assume it’s from 1890-1920?
Jean Bear states- According to IBCA Librarian Jim Graves’s research, Philadelphia Fire Brick Works produced firebricks from 1856 to 1925, at Philadelphia, PA, USA.

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