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<DIV>John,</DIV>
<DIV>    This is down your alley.</DIV>
<DIV><A title=http://www.instructables.com/id/Acoustic-Tractor-Beam/ 
href="http://www.instructables.com/id/Acoustic-Tractor-Beam/">http://www.instructables.com/id/Acoustic-Tractor-Beam/</A></DIV>
<DIV> </DIV>
<DIV>Regards,</DIV>
<DIV>Doug P.</DIV></DIV></DIV></BODY></HTML>