Interest in the intersection of the arcs with a direct allowed me to identify MULTI MIRROR ARC and, based on a SACRAL DISPLAYS
With his help increase readability, in which it is easy to determine the time to the nearest minute, single arrow on the dial in 24 hours.
The length of the outer circle is equal to the length of the "SACRED DIAL 24" from the inner circle with a radius of 3.863 ... times smaller outer circumference.
Just dial in the subject of the sacred, and built the logical form of numbers)