Survey of Nine Ladies with inset showing possible perimetric units and geometry (a circle within a square within a circle). The diameter of the originating (outer) circle is 15 megalithic yards. Thus, the length of the axis, which bears true NE to SW, is 12.8 MY = 10.6m. The King Stone bears approx. 243 deg. from the two centres shown.
Image credit: G.J. Bath