control linkage means connecting said indicator tab to said control means in such a manner that said control means moves said indicator tab from its first position to its second position upon the achievement of {HEAD ~ a predetermined tension} by said {TAIL ~ T bolt} 
by
control linkage means connecting said indicator tab to said control means in such a manner that said control means moves said indicator tab from its first position to its second position upon the achievement of { HEAD ~ a predetermined tension } by said { TAIL ~ T bolt }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH TAIL TAIL TAIL TAIL TAIL TAIL