The ring 211 is confined to {HEAD ~ non rotary motion} in {TAIL ~ such a manner} that each point on the ring 211 will travel in a circular path which is different from the circular path which is traveled by every other point on the ring and a line drawn between any two points on the ring is translated 
in
The ring 211 is confined to { HEAD ~ non rotary motion } in { TAIL ~ such a manner } that each point on the ring 211 will travel in a circular path which is different from the circular path which is traveled by every other point on the ring and a line drawn between any two points on the ring is translated
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH