Image processing(173k):

Contact transducer 2MHz(973k) and 10MHz(1,067k):

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Angle beam transducer (1081k) and (879k):

_ Double X'tal Transducer(726k):

Longitudinal Angle Transducer(802k):

Immersion Transducer (592k 1,330k and 710k):
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Echos from Artificial crack(3440k):

These videos were captured by the late Dr.Date @1996.