Thus aircraft attitude is detected at the potentiometer 94 while the number of turns of {HEAD ~ a spin} is detected by {TAIL ~ the potentiometer} 96 
Thus aircraft attitude is detected at the potentiometer 94 while the number of turns of { HEAD ~ a spin } is detected by { TAIL ~ the potentiometer } 96
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH