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Two Stopped Triangular Prismatic Pipes

Koenig Acoustical · Physics

These two wooden pipes, one large and one small, are shaped into triangular prisms . One end has a round spout; the other is closed. The wooden planes are held in place by steel screws.

Accession Number: a-b

Alternative Name:

Primary Materials: Wood, steel


Dimensions (cm): Height = 22.4, Width = 12.2, Length = 11; Height = 17.5, Width = 7.4, Length = 6.6


To demonstrate the relations between volume and pitch.


Very good: Minor scratches and abrasions on the bodies of both pipes

Associated Instruments:

Manufacturer: Rudolph Koenig

Date of Manufacture: Mid-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), 248-249.

Historical Notes:


  • Donated to UTSIC