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Three Open Pipes: Two Pyramidal, One Rectangular

Koenig Acoustical · Physics

These three organ pipes are all the same length and same volume, with a spout at one end and open at the other. is prismatic, is pyramidal with the spout at the narrow end of the pyramid, and is pyramidal with the spout at the wide end of the pyramid.

Accession Number:

Alternative Name:

Primary Materials: Wood


Near the spout on all three pipes: “Rudolph Koenig A Paris”.

Dimensions (cm): Height = 46.5, Width = 5.6, Length = 5.6; Height = 46.5, Width = 7, Length = 7; Height = 46.5, Width = 7.7, Length = 7.7


To demonstrate that equal volumes produce similar sounds.


Very good. Minor scratches and chips on the bodys of the pipes. All three have velcro strips applied to one surface.

Associated Instruments:

Manufacturer: Rudolph Koenig

Date of Manufacture: Late nineteenth century


University of Toronto Physics Department

Additional Information and References:

See David Pantalony, Altered Sensations: Rudolph Koenig’s Acoustical Workshop in Nineteenth-Century Paris (New York: Springer, 2009), 254.

Historical Notes:


  • Donated to UTSIC