3B30.65 Music Box

Concepts

Sound transmission through materials and air

Overview

A music box attachment has pins on a wheel plucking teeth on a metal comb to make musical notes. When the music box attachment is connected to a surface that can resonate, like a table, the sound is much louder and richer.

Details

Equipment

  • [1] Music box attachment

Script

  1. Holding the music box attachment in the air, spin the pin wheel by turning the crank. It should be very quiet.
  2. Holding the music box attachment on some surface, such as a table, spin the pin wheel again. It should be much louder.

 

Additional Resources

References

  • PIRA 3B30.65

Disclaimer

  • Don't attempt this at home!

Last revised

  • 2018

Technicals

  • The tune is a fragment from the song "The Way We Were," popularized by Barbra Streisand in a movie of the same name.

Related AV

  • The Engineer Guy video on music boxes. We don't have all the parts of the music box.

Related demos

 

If you have any questions about the demos or notes you would like to add to this page, contact Ricky Chu at ricky_chu AT sfu DOT ca.