said synchro drive of said second element being disposed within said second hydromotor of said second element for {HEAD ~ direct operation} by {TAIL ~ said rotary output means} of said second hydromotor, 
by
said synchro drive of said second element being disposed within said second hydromotor of said second element for { HEAD ~ direct operation } by { TAIL ~ said rotary output means } of said second hydromotor ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH