British army military barracks, Summerhill, Nenagh, Co. Tipperary. 19th-century upgright boundary stone No. 21 with inscription on roadside face W ↑ D (War Department). The broad arrow pointing upwards carved between the W D of which the pheon is a variant, is a stylised representation of a metal arrowhead, comprising a tang & two barbs meeting at a point. It is a symbol used traditionally in heraldry, most notably in England, and later by the British government to mark government property. The rest of the inscription reads 14 Feet Front in Line From No. 13 No. 14 has a line running through it. Erected after 1855 when the Board of Ordnance was disbanded & all military land functions were transferred to the newly created War Department. The stone marked the boundary of land belonging to the military barracks. One of at least 21 stones marking the boundary of the military owned land enclosing the barracks. These stones are annotated B.S on 1901 ed. OS 25-inch map. One of four stones facing onto public road.