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<DIV><TT>Bob Perrin and Hervey Bagot did some research on this, the referen=
ce=20
<BR>is Perrin, R., Swallowe, G. M., Charnley, T., Marshall C. "On the=20
<BR>debossing, Annealing and Mounting of Bells" in Journal of Sound and=20
<BR>Vibration (1999) 227 (2), pp 409-425.<BR></TT></DIV>
<DIV><TT>I'm pleased to see that one is in the Handlist Bill - I wonder how=
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people actually use this?</TT></DIV>
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