Gillett & Johnston tuning book entries
Explanation of the entries in the Gillett & Johnston tuning books in Croydon Libary. […]
Author: Bill Hibbert
Posts by Bill Hibbert
Six Gillett & Johnston twelves
G&J cast many peals of eight and ten, but only five complete peals of twelve. This paper investigates these peals to see what conclusions can be reached about how they were designed and tuned. […]
Ceramic bells
A brief investigation into the acoustics of ceramic or clay bells, installed in the UK in a number of mini-rings, and also installed by Meissen in at least two European carillons or chimes. […]
The Van Aerschodts of Louvain
English translation of a paper written by Paul-Félix Vernimmen on the family history of the Van Aerschodts. […]
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. […]