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<DIV>Hi</DIV>
<DIV> If memory serves those devices where not very robust, you could blow</DIV>
<DIV>them up with very little effort. Maybe that's why a had a few spares?</DIV>
<DIV>I think I used them because they where cheap and easy to get.</DIV>
<DIV> Jeri</DIV>
<DIV> </DIV>
<DIV>Hey Harry surely you have better things to do?</DIV></BODY></HTML>