A separate nomograph is provided for the marksman to determine the range to {HEAD ~ the object} of {TAIL ~ known size} 
of
A separate nomograph is provided for the marksman to determine the range to { HEAD ~ the object } of { TAIL ~ known size }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL