Greek 12-wind compass rose

by Magirly - uploaded on April 6, 2015, 2:37 pm

Depiction of an ancient Greek 12-wind compass rose, following the nomenclature of Timosthenes (c. 280 BCE, as reported by Agathemerus). For simplicity, this depiction assumes that winds are at 30-degree angles on a compass rose. Original public domain work by ElectroKid at http://commons.wikimedia.org/wiki/File:Greek_12-wind_rose.svg