"The Austrian counterscarp casement is constructionally simple. Under the counterscarp wall, on the further side of the ditch, facing the salient angle of the of the work, a chamber is formed with embrasures for rifle, machine gun or light artillery fire along the two adjacent ditch lengths." — Encyclopaedia Britannica, 1922

Austrian Fort Counterscarp Casement

"The Austrian counterscarp casement is constructionally simple. Under the counterscarp wall, on the…