{TAIL ~ second pressure transducer} means for measuring {HEAD ~ the pressure} in the second accumulator chamber and providing an output signal indicative thereof 
{ TAIL ~ second pressure transducer } means for measuring { HEAD ~ the pressure } in the second accumulator chamber and providing an output signal indicative thereof
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH