Object, Instrument, Technology

A windchest is a wooden box that holds air to be delivered to organ pipes, which are inserted in valved holes. These two examples were used in lectures to demonstrate the different characteristics of organ pipes of varying sizes and shapes.

Object, Instrument, Technology

The Case Collection of Physics Instruments (CCPI) has several dozen forks mounted on resonance boxes (see Fig. 1).

Image
“Appunn’s “Tenor” Tonometer (2)”. 1876.
Image
“Appunn’s “Tenor” Tonometer (3)”. 1876.
Image
“Appunn’s “Tenor” Tonometer (5)”. 1876.
Image
“Appunn’s “Tenor” Tonometer (6)”. 1876.
Image
“Appunn’s “Tenor” Tonometer (7)”. 1876.
Text
“Index: Appunn’s “Tenor” Tonometer Recordings”. 2013.
Image
“Appunn’s “Tenor” Tonometer (1)”. 1876.
Audio
2013. “24576_1876-469_Tone-Limit-App_1”.