A Gartcraig brick found in Portland, Main, USA

Found in Portland, Maine, United States.

The unknown finder found this brick and others at the site of the old portland glass works in Portland Maine USA.

They made gas from 1863 – 1873

The factory burned in 1873.

The brick measures 9x 4 1/2

Gartcraig Fire Clay Works, By Millerston, Glasgow


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