Signedstamped on side: RUDOLPH KOENIG À PARIS
InscribedStamped on side: RUDOLPH KOENIG À PARIS;
inscribed on label: 20-12-3;
stamped in white ink: 22-19
FunctionAcoustic apparatus; an organ pipe, designed to resonate at a specific pitch when pressurized air passes through it. Used to demonstrate the effects of different pipe shapes with constant length and volume. As long as the volume of the pipes remains the same, the tone produced should be indentical.
Primary SourcesThis pipe could be part of a set listed by Koenig in his 1865 Catalogue des Appareils d'Acoustique, pg. 21, No. 111.
ProvenanceOval label with numbers of the type found in instruments from the Physics Department, Harvard University.