Assertion: stone wall perch | /r/HasProperty | 16 1⁄ 2 feet
Facets:
Source sentences:
text: A perch of masonry is the volume of a stone wall one perch (16 1⁄ 2 feet or 5.03 metres) long, 18 inches (45.7 cm) high, and 12 inches (30.5 cm) thick.
text: A perch of masonry is the volume of a stone wall one perch (16 1⁄ 2 feet or 5.03 metres) long, 18 inches (45.7 cm) high, and 12 inches (30.5 cm) thick.