{HEAD ~ The range} of {TAIL ~ movement} of the rod 52 is determined by the setting of a collar 68 toward the upper end of the rod and below the eyeblot 54 
{ HEAD ~ The range } of { TAIL ~ movement } of the rod 52 is determined by the setting of a collar 68 toward the upper end of the rod and below the eyeblot 54
HEAD HEAD HEAD HEAD HEAD HEAD REL 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