{HEAD ~ A further object} is to describe {TAIL ~ an apparatus} that does not require a complex housing, known from the existing art, for the cylindrical sensor head in order to mechanically connect the sensor head to a holder in oriented but nevertheless axially displaceable fashion 
is to describe
{ HEAD ~ A further object } is to describe { TAIL ~ an apparatus } that does not require a complex housing , known from the existing art , for the cylindrical sensor head in order to mechanically connect the sensor head to a holder in oriented but nevertheless axially displaceable fashion
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL 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