Is Phonoscope a Word?
An Instrument for Making Visible the Motions or Properties of a Sounding Body. a Device for Testing the Quality of Strings for Musical Instruments. What Does...
an instrument for making visible the motions or properties of a sounding body. a device for testing the quality of strings for musical instruments.
What does phonoscope mean?
: an instrument for observing or exhibiting motions or properties of sounding bodies especially : a device for testing the quality of musical strings.
What does a Hydroscope do?
an optical device for viewing objects below the surface of water.