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ANTONINUS' WALL, quondam Roman rampart, from Carriden on Firth of Forth to a point near Old Kilpatrick on the Clyde. It was nearly 36| miles long. It comprised a wall 24 feet thick and 20 feet high, and a north-side fosse 40 feet wide and 20 feet deep. It had 3 forts at each end, and 15 forts at regular intermediate distances, and it has yielded many interesting relics, but has left very few and slight vestiges in situ.
