Bell Harmonic Partials: Difference between revisions

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# Perfect Fifth or "Quint"  
# Perfect Fifth or "Quint"  
# Nominal or "Octave"  
# Nominal or "Octave"  
The Hum, Prime and Nominal should be the same note in their respective octaves. The strike tone of the bell (apparent musical pitch) is always one octave below the Nominal, but not necessarily in tune with the Prime.


For many years this basic bell theory was lost until being rediscovered after World War II by an Englishman named Canon Simpson, who worked with the Taylor and Gillett and Johnston bell foundries to improve the sound of their bells. It is therefore sometimes called the Simpson five-tone harmonic principle, even though we know that 16th century Flemish founders François and Pieter Hemony made use of the principle.
For many years this basic bell theory was lost until being rediscovered after World War II by an Englishman named Canon Simpson, who worked with the Taylor and Gillett and Johnston bell foundries to improve the sound of their bells. It is therefore sometimes called the Simpson five-tone harmonic principle, even though we know that 16th century Flemish founders François and Pieter Hemony made use of the principle.