ULTRASONIC TESTING EQUIPMENT-NAMELY, ULTRASONIC IMMERSION TESTING SYSTEMS COMPRISING RESEARCH TANKS, INSTRUMENTATION, TRANSDUCERS, TURNTABLE ASSEMBLIES, MANIPULATORS, RECORDERS, AND PARTS THEREFOR

TESTING OF PARTS, WELDMENTS, PIPES, TANKS, PRESSURE VESSELS, SHIPS AND BARGES AND THE LIKE BY ULTRASONIC MEANS