a first oscillator in {HEAD ~ electrical input communication} with {TAIL ~ said output means} of said electrical energy source, said first oscillator further having electrical output means 
with
a first oscillator in { HEAD ~ electrical input communication } with { TAIL ~ said output means } of said electrical energy source , said first oscillator further having electrical output means
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH