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