{TAIL ~ The improvement} 1 wherein said circuit means includes a slip ring assembly connected between each transducer and said telemetry circuit for accommodating rotation of said pivot shaft about {HEAD ~ said axis} of rotation 
{ TAIL ~ The improvement } 1 wherein said circuit means includes a slip ring assembly connected between each transducer and said telemetry circuit for accommodating rotation of said pivot shaft about { HEAD ~ said axis } of rotation
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