jim at p...
Thu Jan 15 22:25:17 GMT 2004
Bill Hibbert wrote:-
>provides an understanding of which modes are directly stimulated by
>the clapper blow, and which are 'sympathetic' vibrations (such as the
>quint) into which energy flows as the bell continues to vibrate. This
>was an essential step towards finally understanding the origin of the
What was the difference between a wrought iron clapper and an SG clapper?
More information about the Bell-historians