With this method no attempt is made to make the size of the return stroke independent of {TAIL ~ ambient influences} instead, a change in {HEAD ~ the return stroke} is compensated for by a suitable control voltage 
With this method no attempt is made to make the size of the return stroke independent of { TAIL ~ ambient influences } instead , a change in { HEAD ~ the return stroke } is compensated for by a suitable control voltage
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH