{HEAD ~ End} 45 of sleeve 42 sits against shoulder 33 or {TAIL ~ center conductor contact} 31 so that the position of pointer 44 indicates the position along an axis A of shoulder 33 relative to end 321 
sits against
{ HEAD ~ End } 45 of sleeve 42 sits against shoulder 33 or { TAIL ~ center conductor contact } 31 so that the position of pointer 44 indicates the position along an axis A of shoulder 33 relative to end 321
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL OTH OTH OTH 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