As will be described below, {TAIL ~ the position} of pointer 16 relative to {HEAD ~ scale} 4 indicates the tension in wire 1 
As will be described below , { TAIL ~ the position } of pointer 16 relative to { HEAD ~ scale } 4 indicates the tension in wire 1
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH