Signedstamped near lip: RUDOPLH KOENIG / À PARIS
Inscribedtagged: 20-9-7
stamped: 22-2
FunctionUsed to visually demonstrate the nodes and loops of sound waves produced by open organ pipes. This device is one of the first to sucessfully visualize acoustic phenomena.
Primary SourcesFine image and description of use on pages 50-55 in Koeing's Quelques Experiences D'Acoustique, 1882. CHSI Lib No. 559.
Rudolf Koenig (1889) Catalogue des Appareils d"Acoustique, p. 84, No. 238; p. 83, No. 239.
J. A. Zahm (1900). Sound and Music, pp. 231-2.
Related WorksThomas B. Greenslade, Jr. (1992). "The Acoustical Apparatus of Rudolf Koenig." The Physics Teacher, vol. 30, pp. 518 - 524.
See also www.chass.utoronto.ca/utmusi/; search for Rudolph Koenig.