Bell Harmonic Partials: Difference between revisions
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Smaller bells will often only exhibit two to four partials that need tuning, simplifying the process to the point that an automated lathe can be employed during manufacture. | Smaller bells will often only exhibit two to four partials that need tuning, simplifying the process to the point that an automated lathe can be employed during manufacture. | ||
== Ghost Tones == | == Ghost Tones == | ||
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When the ear-brain hears combinations of high tones, we think we hear a single lower tone. For instance a combination of a Nominal with an octave-Quint sounds like a single tone lower than them both. This may explain why Big Ben sounds to most listeners like an A even though it was cast to be an E. | When the ear-brain hears combinations of high tones, we think we hear a single lower tone. For instance a combination of a Nominal with an octave-Quint sounds like a single tone lower than them both. This may explain why Big Ben sounds to most listeners like an A even though it was cast to be an E. | ||
== references == | |||
Andre Lehr - The Art of the Carillon in the Low Countries | |||
John Glanville and William M. Wolmuth - Clockmaking in England and Wales in the Twentieth Century: The Industrialized Manufacture of Domestic Mechanical Clocks | |||
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[[Category:Campanology]] | [[Category:Campanology]] | ||