The Van Aerschodts of Louvain
English translation of a paper written by Paul-Félix Vernimmen on the family history of the Van Aerschodts. […]
Author: Bill Hibbert
Posts by Bill Hibbert
The musical quality of van Aerschodt bells
The partial frequencies and tuning characteristics of van Aerschodt bells, compared with bells from Rudhall and Mears. […]
the van Aerschodts
The van Aerschodt family of Leuven, Belgium were one of the most significant founders of bells in the low countries in the latter part of the 19th century. […]
Modes of vibration of a tubular bell
Results of an experiment to show the vibration patterns in a tubular bell. […]
Hemispherical bells
Investigation into the strike pitch and partial frequencies of hemispherical bells, including a detailed analysis of modes of vibration, and pitch shift due to variation in thickness. […]
Long-waisted bells
Partial frequencies of 24 long-waisted bells, including 12 where the partials have been identified using nodal patterns. […]
Manipulating bell sounds
This page explains the mathematical techniques I use to manipulate bell sounds for various purposes. Sound file examples demonstrate sharpening or flattening bells, adjusting individual partials, and the effect of thin and thick bells. […]
Simpson, Van Aerschodt, Lower Beeding and Kilburn
Canon Simpson in his first paper On Bell Tones discusses the bells at Lower Beeding. His conclusions about the way continental founders tuned their bells proves not to be correct […]
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A history of Gillett and Johnston in bell sounds
This article investigates the changes in design of Gillett and Johnston bells from the 1870s to the 1950s, by looking at tierce tuning. […]
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Cyril Johnston’s tuning forks
A detailed description of Cyril Johnston’s tuning forks, including investigation of errors in their frequencies. […]