PVC Trombone
![PVC Trombone](/media/libraries/college-of-science-and-engineering/physics/images/demo-images/pvctrom_1.jpg)
PIRA 3D32.45
A signal generator connected to a speaker plays pure tones into a large PVC trombone. A meter stick is used to measure the position of the slide where resonances are located. A microphone can be attached to the 'bell' of the trombone to help find the resonances.